SlideShare a Scribd company logo

A researcher reports survey results by stating that the stan.pdf

•
•
A
aakarinterio

A researcher reports survey results by stating that the standard error of the mean is 40. The population standard deviation is 400 . a. How large was the sample used in this survey? b. What is the probability that the point estimate was within (+-15) of the population mean? (to 4 decimals).

Education
1 of 1
Download to read offline
A researcher reports survey results by stating that the standard error of the mean is 40. The population standard deviation is 400 . a. How large was the sample used in this survey? b. What is the probability that the point estimate was within (+-15) of the population mean? (to 4 decimals)

Recommended

Which of the following is true Multiple Choice The role of .pdf
Which of the following is true Multiple Choice The role of .pdfWhich of the following is true Multiple Choice The role of .pdf
Which of the following is true Multiple Choice The role of .pdf
aakarinterio
 
Which of the following best describes the role of Business I.pdf
Which of the following best describes the role of Business I.pdfWhich of the following best describes the role of Business I.pdf
Which of the following best describes the role of Business I.pdf
aakarinterio
 
What happens to the accounting equation when the adjustment .pdf
What happens to the accounting equation when the adjustment .pdfWhat happens to the accounting equation when the adjustment .pdf
What happens to the accounting equation when the adjustment .pdf
aakarinterio
 
Une cada trmino con la definicin correcta Hiptesis nula .pdf
Une cada trmino con la definicin correcta Hiptesis nula .pdfUne cada trmino con la definicin correcta Hiptesis nula .pdf
Une cada trmino con la definicin correcta Hiptesis nula .pdf
aakarinterio
 
Western companies flooded into China when it opened its door.pdf
Western companies flooded into China when it opened its door.pdfWestern companies flooded into China when it opened its door.pdf
Western companies flooded into China when it opened its door.pdf
aakarinterio
 
TM 16 soruyu yantladnz iin ok teekkr ederiz 1 Dil.pdf
TM 16 soruyu yantladnz iin ok teekkr ederiz 1 Dil.pdfTM 16 soruyu yantladnz iin ok teekkr ederiz 1 Dil.pdf
TM 16 soruyu yantladnz iin ok teekkr ederiz 1 Dil.pdf
aakarinterio
 
Thomas Techsavvy a domiciliary and habitual resident of Atl.pdf
Thomas Techsavvy a domiciliary and habitual resident of Atl.pdfThomas Techsavvy a domiciliary and habitual resident of Atl.pdf
Thomas Techsavvy a domiciliary and habitual resident of Atl.pdf
aakarinterio
 
The media has grown over the years and continues to be a sou.pdf
The media has grown over the years and continues to be a sou.pdfThe media has grown over the years and continues to be a sou.pdf
The media has grown over the years and continues to be a sou.pdf
aakarinterio
 

Recommended

Which of the following is true Multiple Choice The role of .pdf
Which of the following is true Multiple Choice The role of .pdfWhich of the following is true Multiple Choice The role of .pdf
Which of the following is true Multiple Choice The role of .pdf
aakarinterio
 
Which of the following best describes the role of Business I.pdf
Which of the following best describes the role of Business I.pdfWhich of the following best describes the role of Business I.pdf
Which of the following best describes the role of Business I.pdf
aakarinterio
 
What happens to the accounting equation when the adjustment .pdf
What happens to the accounting equation when the adjustment .pdfWhat happens to the accounting equation when the adjustment .pdf
What happens to the accounting equation when the adjustment .pdf
aakarinterio
 
Une cada trmino con la definicin correcta Hiptesis nula .pdf
Une cada trmino con la definicin correcta Hiptesis nula .pdfUne cada trmino con la definicin correcta Hiptesis nula .pdf
Une cada trmino con la definicin correcta Hiptesis nula .pdf
aakarinterio
 
Western companies flooded into China when it opened its door.pdf
Western companies flooded into China when it opened its door.pdfWestern companies flooded into China when it opened its door.pdf
Western companies flooded into China when it opened its door.pdf
aakarinterio
 
TM 16 soruyu yantladnz iin ok teekkr ederiz 1 Dil.pdf
TM 16 soruyu yantladnz iin ok teekkr ederiz 1 Dil.pdfTM 16 soruyu yantladnz iin ok teekkr ederiz 1 Dil.pdf
TM 16 soruyu yantladnz iin ok teekkr ederiz 1 Dil.pdf
aakarinterio
 
Thomas Techsavvy a domiciliary and habitual resident of Atl.pdf
Thomas Techsavvy a domiciliary and habitual resident of Atl.pdfThomas Techsavvy a domiciliary and habitual resident of Atl.pdf
Thomas Techsavvy a domiciliary and habitual resident of Atl.pdf
aakarinterio
 
The media has grown over the years and continues to be a sou.pdf
The media has grown over the years and continues to be a sou.pdfThe media has grown over the years and continues to be a sou.pdf
The media has grown over the years and continues to be a sou.pdf
aakarinterio
 
Suppose that we are testing 0 1 2 vs 1 1 2 where the .pdf
Suppose that we are testing 0 1 2 vs 1 1 2 where the .pdfSuppose that we are testing 0 1 2 vs 1 1 2 where the .pdf
Suppose that we are testing 0 1 2 vs 1 1 2 where the .pdf
aakarinterio
 
The Comprehensive Everglades Restoration Plan of 2000 would .pdf
The Comprehensive Everglades Restoration Plan of 2000 would .pdfThe Comprehensive Everglades Restoration Plan of 2000 would .pdf
The Comprehensive Everglades Restoration Plan of 2000 would .pdf
aakarinterio
 
Suppose someone voices their opinion that the USA needs a mo.pdf
Suppose someone voices their opinion that the USA needs a mo.pdfSuppose someone voices their opinion that the USA needs a mo.pdf
Suppose someone voices their opinion that the USA needs a mo.pdf
aakarinterio
 
TB 06108 Martock Company utiliza el inventario peridico.pdf
TB 06108 Martock Company utiliza el inventario peridico.pdfTB 06108 Martock Company utiliza el inventario peridico.pdf
TB 06108 Martock Company utiliza el inventario peridico.pdf
aakarinterio
 
Suns Inc has a dividend yield of 51 percent and is expecte.pdf
Suns Inc has a dividend yield of 51 percent and is expecte.pdfSuns Inc has a dividend yield of 51 percent and is expecte.pdf
Suns Inc has a dividend yield of 51 percent and is expecte.pdf
aakarinterio
 
Strateji uygulamasnda dzeltici ayarlamalar yapma sreci d.pdf
Strateji uygulamasnda dzeltici ayarlamalar yapma sreci d.pdfStrateji uygulamasnda dzeltici ayarlamalar yapma sreci d.pdf
Strateji uygulamasnda dzeltici ayarlamalar yapma sreci d.pdf
aakarinterio
 
Recolectar datos primarios de manera regular y venderlos a u.pdf
Recolectar datos primarios de manera regular y venderlos a u.pdfRecolectar datos primarios de manera regular y venderlos a u.pdf
Recolectar datos primarios de manera regular y venderlos a u.pdf
aakarinterio
 
Solo preguntas sobre gestin de integracin de proyectos .pdf
Solo preguntas sobre gestin de integracin de proyectos .pdfSolo preguntas sobre gestin de integracin de proyectos .pdf
Solo preguntas sobre gestin de integracin de proyectos .pdf
aakarinterio
 
Seeley y Swan comparten por igual las ganancias las prdida.pdf
Seeley y Swan comparten por igual las ganancias las prdida.pdfSeeley y Swan comparten por igual las ganancias las prdida.pdf
Seeley y Swan comparten por igual las ganancias las prdida.pdf
aakarinterio
 
Podran ayudarme con esto por favor Crea una escena 700.pdf
Podran ayudarme con esto por favor Crea una escena 700.pdfPodran ayudarme con esto por favor Crea una escena 700.pdf
Podran ayudarme con esto por favor Crea una escena 700.pdf
aakarinterio
 
Eager a tipped employee reported to his employer that he h.pdf
Eager a tipped employee reported to his employer that he h.pdfEager a tipped employee reported to his employer that he h.pdf
Eager a tipped employee reported to his employer that he h.pdf
aakarinterio
 
Planificacin de la sucesin para el puesto de director ejec.pdf
Planificacin de la sucesin para el puesto de director ejec.pdfPlanificacin de la sucesin para el puesto de director ejec.pdf
Planificacin de la sucesin para el puesto de director ejec.pdf
aakarinterio
 
ORACLE SQL DEVELOPER Please help with query statements that .pdf
ORACLE SQL DEVELOPER Please help with query statements that .pdfORACLE SQL DEVELOPER Please help with query statements that .pdf
ORACLE SQL DEVELOPER Please help with query statements that .pdf
aakarinterio
 
Peter un hombre y Lois una mujer trabajan en la lnea de.pdf
Peter un hombre y Lois una mujer trabajan en la lnea de.pdfPeter un hombre y Lois una mujer trabajan en la lnea de.pdf
Peter un hombre y Lois una mujer trabajan en la lnea de.pdf
aakarinterio
 
nsanlarn para talep etmesinin nedeni vardr ilemlerde kul.pdf
nsanlarn para talep etmesinin nedeni vardr ilemlerde kul.pdfnsanlarn para talep etmesinin nedeni vardr ilemlerde kul.pdf
nsanlarn para talep etmesinin nedeni vardr ilemlerde kul.pdf
aakarinterio
 
Cules de las siguientes afirmaciones son verdaderas A Lo.pdf
Cules de las siguientes afirmaciones son verdaderas A Lo.pdfCules de las siguientes afirmaciones son verdaderas A Lo.pdf
Cules de las siguientes afirmaciones son verdaderas A Lo.pdf
aakarinterio
 
Cruz Company uses LIFO for inventory costing and reports the.pdf
Cruz Company uses LIFO for inventory costing and reports the.pdfCruz Company uses LIFO for inventory costing and reports the.pdf
Cruz Company uses LIFO for inventory costing and reports the.pdf
aakarinterio
 
Kadnlarn tarihsel olarak dk cret ve maa aldklar iler oldu.pdf
Kadnlarn tarihsel olarak dk cret ve maa aldklar iler oldu.pdfKadnlarn tarihsel olarak dk cret ve maa aldklar iler oldu.pdf
Kadnlarn tarihsel olarak dk cret ve maa aldklar iler oldu.pdf
aakarinterio
 
La Asociacin STUV posee los siguientes activos el 30 de dic.pdf
La Asociacin STUV posee los siguientes activos el 30 de dic.pdfLa Asociacin STUV posee los siguientes activos el 30 de dic.pdf
La Asociacin STUV posee los siguientes activos el 30 de dic.pdf
aakarinterio
 
Aadakilerden hangisi bir kalemin bor olarak snflandrlabilme.pdf
Aadakilerden hangisi bir kalemin bor olarak snflandrlabilme.pdfAadakilerden hangisi bir kalemin bor olarak snflandrlabilme.pdf
Aadakilerden hangisi bir kalemin bor olarak snflandrlabilme.pdf
aakarinterio
 
Diuretic, Hypoglycemic and Limit test of Heavy metals and Arsenic.-1.pdf
Diuretic, Hypoglycemic and Limit test of Heavy metals and Arsenic.-1.pdfDiuretic, Hypoglycemic and Limit test of Heavy metals and Arsenic.-1.pdf
Diuretic, Hypoglycemic and Limit test of Heavy metals and Arsenic.-1.pdf
Kartik Tiwari
 
Simple, Complex, and Compound Sentences Exercises.pdf
Simple, Complex, and Compound Sentences Exercises.pdfSimple, Complex, and Compound Sentences Exercises.pdf
Simple, Complex, and Compound Sentences Exercises.pdf
stareducators107
 

More Related Content

More from aakarinterio

Seeley y Swan comparten por igual las ganancias las prdida.pdf
Seeley y Swan comparten por igual las ganancias las prdida.pdfSeeley y Swan comparten por igual las ganancias las prdida.pdf
Seeley y Swan comparten por igual las ganancias las prdida.pdf
aakarinterio
 
Podran ayudarme con esto por favor Crea una escena 700.pdf
Podran ayudarme con esto por favor Crea una escena 700.pdfPodran ayudarme con esto por favor Crea una escena 700.pdf
Podran ayudarme con esto por favor Crea una escena 700.pdf
aakarinterio
 
Planificacin de la sucesin para el puesto de director ejec.pdf
Planificacin de la sucesin para el puesto de director ejec.pdfPlanificacin de la sucesin para el puesto de director ejec.pdf
Planificacin de la sucesin para el puesto de director ejec.pdf
aakarinterio
 
La Asociacin STUV posee los siguientes activos el 30 de dic.pdf
La Asociacin STUV posee los siguientes activos el 30 de dic.pdfLa Asociacin STUV posee los siguientes activos el 30 de dic.pdf
La Asociacin STUV posee los siguientes activos el 30 de dic.pdf
aakarinterio
 

More from aakarinterio (20)

Suppose that we are testing 0 1 2 vs 1 1 2 where the .pdf
Suppose that we are testing 0 1 2 vs 1 1 2 where the .pdfSuppose that we are testing 0 1 2 vs 1 1 2 where the .pdf
Suppose that we are testing 0 1 2 vs 1 1 2 where the .pdf
 
The Comprehensive Everglades Restoration Plan of 2000 would .pdf
The Comprehensive Everglades Restoration Plan of 2000 would .pdfThe Comprehensive Everglades Restoration Plan of 2000 would .pdf
The Comprehensive Everglades Restoration Plan of 2000 would .pdf
 
Suppose someone voices their opinion that the USA needs a mo.pdf
Suppose someone voices their opinion that the USA needs a mo.pdfSuppose someone voices their opinion that the USA needs a mo.pdf
Suppose someone voices their opinion that the USA needs a mo.pdf
 
TB 06108 Martock Company utiliza el inventario peridico.pdf
TB 06108 Martock Company utiliza el inventario peridico.pdfTB 06108 Martock Company utiliza el inventario peridico.pdf
TB 06108 Martock Company utiliza el inventario peridico.pdf
 
Suns Inc has a dividend yield of 51 percent and is expecte.pdf
Suns Inc has a dividend yield of 51 percent and is expecte.pdfSuns Inc has a dividend yield of 51 percent and is expecte.pdf
Suns Inc has a dividend yield of 51 percent and is expecte.pdf
 
Strateji uygulamasnda dzeltici ayarlamalar yapma sreci d.pdf
Strateji uygulamasnda dzeltici ayarlamalar yapma sreci d.pdfStrateji uygulamasnda dzeltici ayarlamalar yapma sreci d.pdf
Strateji uygulamasnda dzeltici ayarlamalar yapma sreci d.pdf
 
Recolectar datos primarios de manera regular y venderlos a u.pdf
Recolectar datos primarios de manera regular y venderlos a u.pdfRecolectar datos primarios de manera regular y venderlos a u.pdf
Recolectar datos primarios de manera regular y venderlos a u.pdf
 
Solo preguntas sobre gestin de integracin de proyectos .pdf
Solo preguntas sobre gestin de integracin de proyectos .pdfSolo preguntas sobre gestin de integracin de proyectos .pdf
Solo preguntas sobre gestin de integracin de proyectos .pdf
 
Seeley y Swan comparten por igual las ganancias las prdida.pdf
Seeley y Swan comparten por igual las ganancias las prdida.pdfSeeley y Swan comparten por igual las ganancias las prdida.pdf
Seeley y Swan comparten por igual las ganancias las prdida.pdf
 
Podran ayudarme con esto por favor Crea una escena 700.pdf
Podran ayudarme con esto por favor Crea una escena 700.pdfPodran ayudarme con esto por favor Crea una escena 700.pdf
Podran ayudarme con esto por favor Crea una escena 700.pdf
 
Eager a tipped employee reported to his employer that he h.pdf
Eager a tipped employee reported to his employer that he h.pdfEager a tipped employee reported to his employer that he h.pdf
Eager a tipped employee reported to his employer that he h.pdf
 
Planificacin de la sucesin para el puesto de director ejec.pdf
Planificacin de la sucesin para el puesto de director ejec.pdfPlanificacin de la sucesin para el puesto de director ejec.pdf
Planificacin de la sucesin para el puesto de director ejec.pdf
 
ORACLE SQL DEVELOPER Please help with query statements that .pdf
ORACLE SQL DEVELOPER Please help with query statements that .pdfORACLE SQL DEVELOPER Please help with query statements that .pdf
ORACLE SQL DEVELOPER Please help with query statements that .pdf
 
Peter un hombre y Lois una mujer trabajan en la lnea de.pdf
Peter un hombre y Lois una mujer trabajan en la lnea de.pdfPeter un hombre y Lois una mujer trabajan en la lnea de.pdf
Peter un hombre y Lois una mujer trabajan en la lnea de.pdf
 
nsanlarn para talep etmesinin nedeni vardr ilemlerde kul.pdf
nsanlarn para talep etmesinin nedeni vardr ilemlerde kul.pdfnsanlarn para talep etmesinin nedeni vardr ilemlerde kul.pdf
nsanlarn para talep etmesinin nedeni vardr ilemlerde kul.pdf
 
Cules de las siguientes afirmaciones son verdaderas A Lo.pdf
Cules de las siguientes afirmaciones son verdaderas A Lo.pdfCules de las siguientes afirmaciones son verdaderas A Lo.pdf
Cules de las siguientes afirmaciones son verdaderas A Lo.pdf
 
Cruz Company uses LIFO for inventory costing and reports the.pdf
Cruz Company uses LIFO for inventory costing and reports the.pdfCruz Company uses LIFO for inventory costing and reports the.pdf
Cruz Company uses LIFO for inventory costing and reports the.pdf
 
Kadnlarn tarihsel olarak dk cret ve maa aldklar iler oldu.pdf
Kadnlarn tarihsel olarak dk cret ve maa aldklar iler oldu.pdfKadnlarn tarihsel olarak dk cret ve maa aldklar iler oldu.pdf
Kadnlarn tarihsel olarak dk cret ve maa aldklar iler oldu.pdf
 
La Asociacin STUV posee los siguientes activos el 30 de dic.pdf
La Asociacin STUV posee los siguientes activos el 30 de dic.pdfLa Asociacin STUV posee los siguientes activos el 30 de dic.pdf
La Asociacin STUV posee los siguientes activos el 30 de dic.pdf
 
Aadakilerden hangisi bir kalemin bor olarak snflandrlabilme.pdf
Aadakilerden hangisi bir kalemin bor olarak snflandrlabilme.pdfAadakilerden hangisi bir kalemin bor olarak snflandrlabilme.pdf
Aadakilerden hangisi bir kalemin bor olarak snflandrlabilme.pdf
 

Recently uploaded

SPLICE Working Group: Reusable Code Examples
SPLICE Working Group: Reusable Code ExamplesSPLICE Working Group: Reusable Code Examples
SPLICE Working Group: Reusable Code Examples
Peter Brusilovsky
 
QUATER-1-PE-HEALTH-LC2- this is just a sample of unpacked lesson
QUATER-1-PE-HEALTH-LC2- this is just a sample of unpacked lessonQUATER-1-PE-HEALTH-LC2- this is just a sample of unpacked lesson
QUATER-1-PE-HEALTH-LC2- this is just a sample of unpacked lesson
httgc7rh9c
 

Recently uploaded (20)

Diuretic, Hypoglycemic and Limit test of Heavy metals and Arsenic.-1.pdf
Diuretic, Hypoglycemic and Limit test of Heavy metals and Arsenic.-1.pdfDiuretic, Hypoglycemic and Limit test of Heavy metals and Arsenic.-1.pdf
Diuretic, Hypoglycemic and Limit test of Heavy metals and Arsenic.-1.pdf
 
Simple, Complex, and Compound Sentences Exercises.pdf
Simple, Complex, and Compound Sentences Exercises.pdfSimple, Complex, and Compound Sentences Exercises.pdf
Simple, Complex, and Compound Sentences Exercises.pdf
 
UGC NET Paper 1 Unit 7 DATA INTERPRETATION.pdf
UGC NET Paper 1 Unit 7 DATA INTERPRETATION.pdfUGC NET Paper 1 Unit 7 DATA INTERPRETATION.pdf
UGC NET Paper 1 Unit 7 DATA INTERPRETATION.pdf
 
How to Add New Custom Addons Path in Odoo 17
How to Add New Custom Addons Path in Odoo 17How to Add New Custom Addons Path in Odoo 17
How to Add New Custom Addons Path in Odoo 17
 
How to Add a Tool Tip to a Field in Odoo 17
How to Add a Tool Tip to a Field in Odoo 17How to Add a Tool Tip to a Field in Odoo 17
How to Add a Tool Tip to a Field in Odoo 17
 
diagnosting testing bsc 2nd sem.pptx....
diagnosting testing bsc 2nd sem.pptx....diagnosting testing bsc 2nd sem.pptx....
diagnosting testing bsc 2nd sem.pptx....
 
OS-operating systems- ch05 (CPU Scheduling) ...
OS-operating systems- ch05 (CPU Scheduling) ...OS-operating systems- ch05 (CPU Scheduling) ...
OS-operating systems- ch05 (CPU Scheduling) ...
 
VAMOS CUIDAR DO NOSSO PLANETA! .
VAMOS CUIDAR DO NOSSO PLANETA! .VAMOS CUIDAR DO NOSSO PLANETA! .
VAMOS CUIDAR DO NOSSO PLANETA! .
 
Ernest Hemingway's For Whom the Bell Tolls
Ernest Hemingway's For Whom the Bell TollsErnest Hemingway's For Whom the Bell Tolls
Ernest Hemingway's For Whom the Bell Tolls
 
21st_Century_Skills_Framework_Final_Presentation_2.pptx
21st_Century_Skills_Framework_Final_Presentation_2.pptx21st_Century_Skills_Framework_Final_Presentation_2.pptx
21st_Century_Skills_Framework_Final_Presentation_2.pptx
 
Model Attribute _rec_name in the Odoo 17
Model Attribute _rec_name in the Odoo 17Model Attribute _rec_name in the Odoo 17
Model Attribute _rec_name in the Odoo 17
 
How to Manage Call for Tendor in Odoo 17
How to Manage Call for Tendor in Odoo 17How to Manage Call for Tendor in Odoo 17
How to Manage Call for Tendor in Odoo 17
 
Introduction to TechSoup’s Digital Marketing Services and Use Cases
Introduction to TechSoup’s Digital Marketing Services and Use CasesIntroduction to TechSoup’s Digital Marketing Services and Use Cases
Introduction to TechSoup’s Digital Marketing Services and Use Cases
 
Towards a code of practice for AI in AT.pptx
Towards a code of practice for AI in AT.pptxTowards a code of practice for AI in AT.pptx
Towards a code of practice for AI in AT.pptx
 
SPLICE Working Group: Reusable Code Examples
SPLICE Working Group: Reusable Code ExamplesSPLICE Working Group: Reusable Code Examples
SPLICE Working Group: Reusable Code Examples
 
Understanding Accommodations and Modifications
Understanding Accommodations and ModificationsUnderstanding Accommodations and Modifications
Understanding Accommodations and Modifications
 
80 ĐỀ THI THỬ TUYỂN SINH TIẾNG ANH VÀO 10 SỞ GD – ĐT THÀNH PHỐ HỒ CHÍ MINH NĂ...
80 ĐỀ THI THỬ TUYỂN SINH TIẾNG ANH VÀO 10 SỞ GD – ĐT THÀNH PHỐ HỒ CHÍ MINH NĂ...80 ĐỀ THI THỬ TUYỂN SINH TIẾNG ANH VÀO 10 SỞ GD – ĐT THÀNH PHỐ HỒ CHÍ MINH NĂ...
80 ĐỀ THI THỬ TUYỂN SINH TIẾNG ANH VÀO 10 SỞ GD – ĐT THÀNH PHỐ HỒ CHÍ MINH NĂ...
 
Play hard learn harder: The Serious Business of Play
Play hard learn harder: The Serious Business of PlayPlay hard learn harder: The Serious Business of Play
Play hard learn harder: The Serious Business of Play
 
QUATER-1-PE-HEALTH-LC2- this is just a sample of unpacked lesson
QUATER-1-PE-HEALTH-LC2- this is just a sample of unpacked lessonQUATER-1-PE-HEALTH-LC2- this is just a sample of unpacked lesson
QUATER-1-PE-HEALTH-LC2- this is just a sample of unpacked lesson
 
NO1 Top Black Magic Specialist In Lahore Black magic In Pakistan Kala Ilam Ex...
NO1 Top Black Magic Specialist In Lahore Black magic In Pakistan Kala Ilam Ex...NO1 Top Black Magic Specialist In Lahore Black magic In Pakistan Kala Ilam Ex...
NO1 Top Black Magic Specialist In Lahore Black magic In Pakistan Kala Ilam Ex...
 

A researcher reports survey results by stating that the stan.pdf

  • 1. A researcher reports survey results by stating that the standard error of the mean is 40. The population standard deviation is 400 . a. How large was the sample used in this survey? b. What is the probability that the point estimate was within (+-15) of the population mean? (to 4 decimals)