SlideShare a Scribd company logo
1 of 1
Download to read offline
A person has a 20% chance of getting Virus X at some point in their lifetime. Suppose we
randomly sample 20,000 people. Let X be the number of people you ask until one of them has
Virus X.
a. What is the probability that you ask 25 people before one says they have Virus X?
b. Find the mean and standard deviation of X

More Related Content

More from anita937851

More from anita937851 (20)

A person is randomly selected- What is the probability that the person.pdf
A person is randomly selected- What is the probability that the person.pdfA person is randomly selected- What is the probability that the person.pdf
A person is randomly selected- What is the probability that the person.pdf
 
A man who is a resistant to malaria has children with a woman who does.pdf
A man who is a resistant to malaria has children with a woman who does.pdfA man who is a resistant to malaria has children with a woman who does.pdf
A man who is a resistant to malaria has children with a woman who does.pdf
 
A patient who is in chronic renal failure develops uremia- Which measu.pdf
A patient who is in chronic renal failure develops uremia- Which measu.pdfA patient who is in chronic renal failure develops uremia- Which measu.pdf
A patient who is in chronic renal failure develops uremia- Which measu.pdf
 
A person with high emotional intelligence will usually a) develop a re.pdf
A person with high emotional intelligence will usually a) develop a re.pdfA person with high emotional intelligence will usually a) develop a re.pdf
A person with high emotional intelligence will usually a) develop a re.pdf
 
A patient blood sample has been brought to the microbiology lab for po.pdf
A patient blood sample has been brought to the microbiology lab for po.pdfA patient blood sample has been brought to the microbiology lab for po.pdf
A patient blood sample has been brought to the microbiology lab for po.pdf
 
A Patient Care Assistant enters John's room without any PPE on to ask.pdf
A Patient Care Assistant enters John's room without any PPE on to ask.pdfA Patient Care Assistant enters John's room without any PPE on to ask.pdf
A Patient Care Assistant enters John's room without any PPE on to ask.pdf
 
a patient deeply lacerated her wrist in a sucide attempt- what muscles.pdf
a patient deeply lacerated her wrist in a sucide attempt- what muscles.pdfa patient deeply lacerated her wrist in a sucide attempt- what muscles.pdf
a patient deeply lacerated her wrist in a sucide attempt- what muscles.pdf
 
A particular earthquake has a return period of 50 years- Assuming the.pdf
A particular earthquake has a return period of 50 years- Assuming the.pdfA particular earthquake has a return period of 50 years- Assuming the.pdf
A particular earthquake has a return period of 50 years- Assuming the.pdf
 
A patent can be renewed every ten years for an unlimited arnount of ti.pdf
A patent can be renewed every ten years for an unlimited arnount of ti.pdfA patent can be renewed every ten years for an unlimited arnount of ti.pdf
A patent can be renewed every ten years for an unlimited arnount of ti.pdf
 
A nurse is teaching a patient about chronic obstructive pulmonary dise.pdf
A nurse is teaching a patient about chronic obstructive pulmonary dise.pdfA nurse is teaching a patient about chronic obstructive pulmonary dise.pdf
A nurse is teaching a patient about chronic obstructive pulmonary dise.pdf
 
A one-period model where the initial stock price is S has equal probab.pdf
A one-period model where the initial stock price is S has equal probab.pdfA one-period model where the initial stock price is S has equal probab.pdf
A one-period model where the initial stock price is S has equal probab.pdf
 
A number of young entrepreneurs in England are now acquiring new equip.pdf
A number of young entrepreneurs in England are now acquiring new equip.pdfA number of young entrepreneurs in England are now acquiring new equip.pdf
A number of young entrepreneurs in England are now acquiring new equip.pdf
 
A major advantage of primary data collection is that Multiple Choice I.pdf
A major advantage of primary data collection is that Multiple Choice I.pdfA major advantage of primary data collection is that Multiple Choice I.pdf
A major advantage of primary data collection is that Multiple Choice I.pdf
 
A nonprofit's revenues and expenses are reported on its statement of Y (1).pdf
A nonprofit's revenues and expenses are reported on its statement of Y (1).pdfA nonprofit's revenues and expenses are reported on its statement of Y (1).pdf
A nonprofit's revenues and expenses are reported on its statement of Y (1).pdf
 
A org has developed a microservices based application in Google Comput.pdf
A org has developed a microservices based application in Google Comput.pdfA org has developed a microservices based application in Google Comput.pdf
A org has developed a microservices based application in Google Comput.pdf
 
a nurse is caring for a client with pulmonary tuberculosis who is pres.pdf
a nurse is caring for a client with pulmonary tuberculosis who is pres.pdfa nurse is caring for a client with pulmonary tuberculosis who is pres.pdf
a nurse is caring for a client with pulmonary tuberculosis who is pres.pdf
 
A new firm enters a market that is initially serviced by a Cournot duo.pdf
A new firm enters a market that is initially serviced by a Cournot duo.pdfA new firm enters a market that is initially serviced by a Cournot duo.pdf
A new firm enters a market that is initially serviced by a Cournot duo.pdf
 
A neuron at the edge of an action potential is described by what term-.pdf
A neuron at the edge of an action potential is described by what term-.pdfA neuron at the edge of an action potential is described by what term-.pdf
A neuron at the edge of an action potential is described by what term-.pdf
 
A natural resource manager from a state agency places you in charge of.pdf
A natural resource manager from a state agency places you in charge of.pdfA natural resource manager from a state agency places you in charge of.pdf
A natural resource manager from a state agency places you in charge of.pdf
 
A multiple regression analysis produced the following tables- The adju (1).pdf
A multiple regression analysis produced the following tables- The adju (1).pdfA multiple regression analysis produced the following tables- The adju (1).pdf
A multiple regression analysis produced the following tables- The adju (1).pdf
 

Recently uploaded

Spellings Wk 3 English CAPS CARES Please Practise
Spellings Wk 3 English CAPS CARES Please PractiseSpellings Wk 3 English CAPS CARES Please Practise
Spellings Wk 3 English CAPS CARES Please Practise
AnaAcapella
 
Salient Features of India constitution especially power and functions
Salient Features of India constitution especially power and functionsSalient Features of India constitution especially power and functions
Salient Features of India constitution especially power and functions
KarakKing
 

Recently uploaded (20)

Fostering Friendships - Enhancing Social Bonds in the Classroom
Fostering Friendships - Enhancing Social Bonds  in the ClassroomFostering Friendships - Enhancing Social Bonds  in the Classroom
Fostering Friendships - Enhancing Social Bonds in the Classroom
 
How to Manage Global Discount in Odoo 17 POS
How to Manage Global Discount in Odoo 17 POSHow to Manage Global Discount in Odoo 17 POS
How to Manage Global Discount in Odoo 17 POS
 
ICT Role in 21st Century Education & its Challenges.pptx
ICT Role in 21st Century Education & its Challenges.pptxICT Role in 21st Century Education & its Challenges.pptx
ICT Role in 21st Century Education & its Challenges.pptx
 
2024-NATIONAL-LEARNING-CAMP-AND-OTHER.pptx
2024-NATIONAL-LEARNING-CAMP-AND-OTHER.pptx2024-NATIONAL-LEARNING-CAMP-AND-OTHER.pptx
2024-NATIONAL-LEARNING-CAMP-AND-OTHER.pptx
 
Interdisciplinary_Insights_Data_Collection_Methods.pptx
Interdisciplinary_Insights_Data_Collection_Methods.pptxInterdisciplinary_Insights_Data_Collection_Methods.pptx
Interdisciplinary_Insights_Data_Collection_Methods.pptx
 
Unit-V; Pricing (Pharma Marketing Management).pptx
Unit-V; Pricing (Pharma Marketing Management).pptxUnit-V; Pricing (Pharma Marketing Management).pptx
Unit-V; Pricing (Pharma Marketing Management).pptx
 
Mehran University Newsletter Vol-X, Issue-I, 2024
Mehran University Newsletter Vol-X, Issue-I, 2024Mehran University Newsletter Vol-X, Issue-I, 2024
Mehran University Newsletter Vol-X, Issue-I, 2024
 
Spellings Wk 3 English CAPS CARES Please Practise
Spellings Wk 3 English CAPS CARES Please PractiseSpellings Wk 3 English CAPS CARES Please Practise
Spellings Wk 3 English CAPS CARES Please Practise
 
How to Give a Domain for a Field in Odoo 17
How to Give a Domain for a Field in Odoo 17How to Give a Domain for a Field in Odoo 17
How to Give a Domain for a Field in Odoo 17
 
Spatium Project Simulation student brief
Spatium Project Simulation student briefSpatium Project Simulation student brief
Spatium Project Simulation student brief
 
Unit 3 Emotional Intelligence and Spiritual Intelligence.pdf
Unit 3 Emotional Intelligence and Spiritual Intelligence.pdfUnit 3 Emotional Intelligence and Spiritual Intelligence.pdf
Unit 3 Emotional Intelligence and Spiritual Intelligence.pdf
 
Salient Features of India constitution especially power and functions
Salient Features of India constitution especially power and functionsSalient Features of India constitution especially power and functions
Salient Features of India constitution especially power and functions
 
REMIFENTANIL: An Ultra short acting opioid.pptx
REMIFENTANIL: An Ultra short acting opioid.pptxREMIFENTANIL: An Ultra short acting opioid.pptx
REMIFENTANIL: An Ultra short acting opioid.pptx
 
Basic Civil Engineering first year Notes- Chapter 4 Building.pptx
Basic Civil Engineering first year Notes- Chapter 4 Building.pptxBasic Civil Engineering first year Notes- Chapter 4 Building.pptx
Basic Civil Engineering first year Notes- Chapter 4 Building.pptx
 
Python Notes for mca i year students osmania university.docx
Python Notes for mca i year students osmania university.docxPython Notes for mca i year students osmania university.docx
Python Notes for mca i year students osmania university.docx
 
Kodo Millet PPT made by Ghanshyam bairwa college of Agriculture kumher bhara...
Kodo Millet  PPT made by Ghanshyam bairwa college of Agriculture kumher bhara...Kodo Millet  PPT made by Ghanshyam bairwa college of Agriculture kumher bhara...
Kodo Millet PPT made by Ghanshyam bairwa college of Agriculture kumher bhara...
 
Google Gemini An AI Revolution in Education.pptx
Google Gemini An AI Revolution in Education.pptxGoogle Gemini An AI Revolution in Education.pptx
Google Gemini An AI Revolution in Education.pptx
 
Jamworks pilot and AI at Jisc (20/03/2024)
Jamworks pilot and AI at Jisc (20/03/2024)Jamworks pilot and AI at Jisc (20/03/2024)
Jamworks pilot and AI at Jisc (20/03/2024)
 
How to setup Pycharm environment for Odoo 17.pptx
How to setup Pycharm environment for Odoo 17.pptxHow to setup Pycharm environment for Odoo 17.pptx
How to setup Pycharm environment for Odoo 17.pptx
 
ICT role in 21st century education and it's challenges.
ICT role in 21st century education and it's challenges.ICT role in 21st century education and it's challenges.
ICT role in 21st century education and it's challenges.
 

A person has a 20- chance of getting Virus X at some point in their li.pdf

  • 1. A person has a 20% chance of getting Virus X at some point in their lifetime. Suppose we randomly sample 20,000 people. Let X be the number of people you ask until one of them has Virus X. a. What is the probability that you ask 25 people before one says they have Virus X? b. Find the mean and standard deviation of X