This document provides an introduction to simple probability concepts including:
- Definitions of outcomes, favorable outcomes, and theoretical probability
- Examples of calculating probability for single-step experiments like rolling a die
- Representing two-step experiments using ordered pairs and calculating probabilities using tables
- The relationship between experimental probability from trials and theoretical probability as the number of trials increases
This powerpoint was used in my 7th and 8th grade classes to review the fundamental counting principle used in our probability unit. There are three independent practice problems at the end.
This powerpoint was used in my 7th and 8th grade classes to review the fundamental counting principle used in our probability unit. There are three independent practice problems at the end.
Powerpoint presentation about Division of Integers. Best for demo teaching. Designed for an online class and face-to-face with review, motivation, groupings, quiz, and homework.
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Powerpoint presentation about Division of Integers. Best for demo teaching. Designed for an online class and face-to-face with review, motivation, groupings, quiz, and homework.
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TIU CET Review Math Session 4 Coordinate Geometryyoungeinstein
College Entrance Test Review
Math Session 4 Coordinate Geometry
Formulas for the Slope of a line, Midpoint, Distance between any two points,
Equations of a Line
Introduction to Mathematical ProbabilitySolo Hermelin
This is a lecture I've put together summarizing the topics of mathematical probability.
The presentation is at a Undergraduate in Science (Math, Physics, Engineering) level..
In the Upload Process a part of Figures and Equations are missing. For a better version of this presentation please visit my website at http://solohermelin.com at Math Folder and open Probability presentation.
Please feel free to comment and suggest improvements to solo.hermelin@gmail.com.Thanks!
History behind the
development of the concept
In 1654, a gambler Chevalier De Metre approached the well known Mathematician Blaise Pascal for certain dice problem. Pascal became interested in these problems and discussed it further with Pierre de Fermat. Both of them solved these problems independently. Since then this concept gained limelight.
Basic Things About The Concept
Probability is used to quantify an attitude of mind towards some uncertain proposition.
The higher the probability of an event, the more certain we are that the event will occur.
3 PROBABILITY TOPICSFigure 3.1 Meteor showers are rare, .docxtamicawaysmith
3 | PROBABILITY TOPICS
Figure 3.1 Meteor showers are rare, but the probability of them occurring can be calculated. (credit: Navicore/flickr)
Introduction
Chapter Objectives
By the end of this chapter, the student should be able to:
• Understand and use the terminology of probability.
• Determine whether two events are mutually exclusive and whether two events are independent.
• Calculate probabilities using the Addition Rules and Multiplication Rules.
• Construct and interpret Contingency Tables.
• Construct and interpret Venn Diagrams.
• Construct and interpret Tree Diagrams.
It is often necessary to "guess" about the outcome of an event in order to make a decision. Politicians study polls to guess
their likelihood of winning an election. Teachers choose a particular course of study based on what they think students can
comprehend. Doctors choose the treatments needed for various diseases based on their assessment of likely results. You
may have visited a casino where people play games chosen because of the belief that the likelihood of winning is good. You
may have chosen your course of study based on the probable availability of jobs.
You have, more than likely, used probability. In fact, you probably have an intuitive sense of probability. Probability deals
with the chance of an event occurring. Whenever you weigh the odds of whether or not to do your homework or to study
for an exam, you are using probability. In this chapter, you will learn how to solve probability problems using a systematic
approach.
Your instructor will survey your class. Count the number of students in the class today.
• Raise your hand if you have any change in your pocket or purse. Record the number of raised hands.
CHAPTER 3 | PROBABILITY TOPICS 163
• Raise your hand if you rode a bus within the past month. Record the number of raised hands.
• Raise your hand if you answered "yes" to BOTH of the first two questions. Record the number of raised hands.
Use the class data as estimates of the following probabilities. P(change) means the probability that a randomly chosen
person in your class has change in his/her pocket or purse. P(bus) means the probability that a randomly chosen person
in your class rode a bus within the last month and so on. Discuss your answers.
• Find P(change).
• Find P(bus).
• Find P(change AND bus). Find the probability that a randomly chosen student in your class has change in his/her
pocket or purse and rode a bus within the last month.
• Find P(change|bus). Find the probability that a randomly chosen student has change given that he or she rode a
bus within the last month. Count all the students that rode a bus. From the group of students who rode a bus,
count those who have change. The probability is equal to those who have change and rode a bus divided by those
who rode a bus.
3.1 | Terminology
Probability is a measure that is associated with how certain we are of outcomes of a particular experiment or activity.
An e ...
Basic probability Concepts and its application By Khubaib Razakhubiab raza
introduction of probability probability defination and its properties after that difference between probability and permutation in the last Discuss about imporatnace of Probabilty in Computer Science
Probability is the way of expressing knowledge of belief that an event will occur on chance.
Did You Know? Probability originated from the Latin word meaning approval.
Make use of the PPT to have a better understanding of Probability.
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
The Roman Empire A Historical Colossus.pdfkaushalkr1407
The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
The empire's roots lie in the city of Rome, founded, according to legend, by Romulus in 753 BCE. Over centuries, Rome evolved from a small settlement to a formidable republic, characterized by a complex political system with elected officials and checks on power. However, internal strife, class conflicts, and military ambitions paved the way for the end of the Republic. Julius Caesar’s dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empire’s birth.
Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
The Roman Empire’s society was hierarchical, with a rigid class system. At the top were the patricians, wealthy elites who held significant political power. Below them were the plebeians, free citizens with limited political influence, and the vast numbers of slaves who formed the backbone of the economy. The family unit was central, governed by the paterfamilias, the male head who held absolute authority.
Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
We all have good and bad thoughts from time to time and situation to situation. We are bombarded daily with spiraling thoughts(both negative and positive) creating all-consuming feel , making us difficult to manage with associated suffering. Good thoughts are like our Mob Signal (Positive thought) amidst noise(negative thought) in the atmosphere. Negative thoughts like noise outweigh positive thoughts. These thoughts often create unwanted confusion, trouble, stress and frustration in our mind as well as chaos in our physical world. Negative thoughts are also known as “distorted thinking”.
Ethnobotany and Ethnopharmacology:
Ethnobotany in herbal drug evaluation,
Impact of Ethnobotany in traditional medicine,
New development in herbals,
Bio-prospecting tools for drug discovery,
Role of Ethnopharmacology in drug evaluation,
Reverse Pharmacology.
Students, digital devices and success - Andreas Schleicher - 27 May 2024..pptxEduSkills OECD
Andreas Schleicher presents at the OECD webinar ‘Digital devices in schools: detrimental distraction or secret to success?’ on 27 May 2024. The presentation was based on findings from PISA 2022 results and the webinar helped launch the PISA in Focus ‘Managing screen time: How to protect and equip students against distraction’ https://www.oecd-ilibrary.org/education/managing-screen-time_7c225af4-en and the OECD Education Policy Perspective ‘Students, digital devices and success’ can be found here - https://oe.cd/il/5yV
How to Make a Field invisible in Odoo 17Celine George
It is possible to hide or invisible some fields in odoo. Commonly using “invisible” attribute in the field definition to invisible the fields. This slide will show how to make a field invisible in odoo 17.
2. A real life example
Victorian numbers plates usually have 3 letters and 3
numbers. What would happen if they consisted of
only 6 numbers eg 1,2,3,4,5,6?
3. • Learning Intention
- To understand the language of simple
probability
- Success Criteria
- I understand the language of simple
probability
4. Simple Probability
Explicit Vocabulary
-an outcome is a particular result of an experiment
-A favourable outcome is one that we are looking
for
-The theoretical probability of a particular result is
defined as
Pr = number of favourable outcomes
number of possible outcomes
- An ordered pair (a,b) displays the result of a two
step experiment.
- A two way table sets the pairs out logically
5. Worked Example
Tom rolls a fair 6-sided die.
a. What are all the possible results that could be obtained?
b. What is the probability of obtaining : The number 4?
There are 6 outcomes- 1,2,3,4,5,6. These are all the possible results.
THINK Write
1. Write the number of possible outcomes.
4 occurs once. Write the number of number of possible outcomes = 6
possible outcomes.
2. Write the rule for probability p(event) = number of favourable outcomes
Number of possible outcomes
3. Substitute the known values into
the rule and evaluate. P(4) = 1/6
4. Answer the question.
The probability of obtaining a 4 is 1/6
6. - What is the probability of obtaining a number
greater than 2?
THINK Write
1. Write the number of favourable Number of favourable outcomes = 4
and possible outcomes. Number of possible outcomes = 6
Greater than 2 is 3,4,5,6
2. Write the rule for probability
3. Substitute the known values into p(greater than 2) = 4
the rule and evaluate. 6
4. Answer the question. P(greater than 2) = 2/3
The probability of obtaining a number greater
than 2 is 2/3
7. What is the probability of obtaining an odd number?
THINK Write
1. Write the number of favourable Number of favourable outcomes = 3
and possible outcomes. Number of possible outcomes = 6
odd number is 1,3,5
2. Write the rule for probability
3. Substitute the known values into p(Odd number) = 3
the rule and evaluate. 6
4. Answer the question. P(odd number) = 1/2
The probability of an odd number is ½ or 50%
8. Using a table to show sample space
• Some experiments take 2 steps/stages
eg toss 2 coins, or roll a die and toss a coin etc
When we write this outcome it is written as an
ordered pair
Eg pair (H,6) would correspond to getting a head
on the coin and a 6 on the die
9. A worked problem - In table form
a. Draw a table to show the sample space for
tossing a coin and rolling a die.
b. How many outcomes are possible?
c. Determine the probability of obtaining
i) A head
ii) A tail and an even number
iii) A 5
iv) A tail and a number greater than 2
10. Head Tail
1 H1 T1
2 H2 T2
3 H3 T3
4 H4 T4
5 H5 T5
6 H6 T6
A. THE SAMPLE SPACE FOR TOSSING A COIN AND ROLLING A DIE IS:
(H,1), (H,2), (H,3), (H,4), (H,5), (H,6), (T,1), (T,2), (T,3), (T,4), (T,5),(T,6)
B THERE ARE 12 DIFFERENT OUTCOMES
C (I) Getting a head
Favourable outcomes = 6 Possible outcomes = 12
Rule is P(Event) = number of favourable outcomes = 6/12 = 1/2 = 50
number of possible outcomes
P(head) = 50%
11. C (ii) a tail and an even number
Number of favourable outcomes = 3
Number of possible outcomes = 12
P(tail and an even number) = 3/12 = 1/4 = 25%
C(iii) a 5
Number of favourable outcomes = 2
Number of possible outcomes 12
P(5) =2/12 = 1/6
C(iv) a tail and a number greater than 2
Number of favourable outcomes 4
Number of passible outcomes is 12
P(tail and a number greater than 2) = 4/12 = 1/3
12. Experimental Probability versus Actual
Probability
• The more times an experiment is performed
the closer the average of the results will be to
the expected answer
• So the long term trend from a large number of
trials will show that the experimental
probability will match those of the theoretical
probability
13. Let’s try it by tossing a coin 10 times
Draw a tally table in your books like this
Experiment
number
Heads Heads Tails Tails
Tally Count Tally Count
1
2
3
4
5
6
Total Total
14. After the first round:
What is the probability of getting a head?
What is the probability of getting a tail?
How do these values compare with the
theoretical results?
Now toss the coin for another 5 rounds
How does the combined result compare with
the theoretical result?
15. NOW IT’S YOUR TURN
•Log into GenEd and
practice the Simple
Probability questions.
•DON’T FORGET TO SAVE,
SAVE, SAVE!
16. REVIEW
• Write in your books one new thing you have
learnt today.........