Mathsercise-C Probability Trees Ready? Here we go!

Slides:

Advertisements

Similar presentations

Understand and use the probability scale Find and justify theoretical probabilities.

Advertisements

Probability Chances Are… You can do it! Activity #3.

Fraction Finder Can you identify the fractions?. What fraction of this shape is yellow?

Objective: Probability Trees Anne tosses 2 coins, one after the other. List all the possible outcomes. How could you do it?

Probability By Laura Farrington 8GT. What is Probability? Probability is about the chance of something happening. When we talk about how probable something.

Probability Joan Ridgway.

DETERMINE IF AN EVENT IS INDEPENDENT OR DEPENDENT.

PROBABILITY  A fair six-sided die is rolled. What is the probability that the result is even?

PROBABILITY Probability is represented as a ratio of the number of ways an event actually occurs compared to the number of possible outcomes.

May 12-15, 2011 (red) May 6-11, 2011 (light red) Permanent Water (blue)

Probability Tree diagrams

Binomial Probability Distribution

What Do You Expect? 7th grade Expected Value Vocabulary Terms Two-Stage Games Probability.

People Fractions. Problem 1 of 20 Answer 1 = 10 Problem 2 of 20 Answer 2 = 5.

Ill have a blue christmas without you Ill be so blue just thinking about you.

Wiring –Basic light switch

Conditional Probability Lesson objectives: Work out the probability of combined events when the probabilities change after each event.

Probability Tree diagrams Example A bag contains 10 discs: 7 are black and 3 white. A disc is selected, and then replaced. A second disc is selected. Copy.

Type your question here. Type Answer Type your question here. Type Answer.

If you say 8 color the ones in your picture purple. If you say 9 color the ones in your picture blue.

Review Homework pages Example: Counting the number of heads in 10 coin tosses. 2.2/

$1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100 Welcome.

Monkey, Monkey In the Tree. Monkey, monkey in the tree Throw the yellow coconut down to me!

12-7 Probability of Compound Events (AND problems) Goal: Find the probability of a compound event. Eligible Content: A

What is the probability of two or more independent events occurring?

Data Handling Multiple Choice (BCD Questions). A B C D Q1. An ordinary fair dice is thrown at the same time a a coin is tossed. The probability of obtaining.

Interpretations of Fractions. Part of a whole In this interpretation we take a whole object and ‘split it’ into equal parts. Two equal parts are called.

Probability Quiz. Question 1 If I throw a fair dice 30 times, how many FIVES would I expect to get?

Which fraction represents the probability of a spinner landing on a banana.

Timed test.  You will see a series of 10 questions.  You have to write down the answer to the question.  Easy enough eh?  REMEMBER TO GIVE PROBABILITIES.

JIM SMITH JCHS SPI THE PROBABILITY THAT SOMETHING WILL HAPPEN IS THE NUMBER OF SUCCESSFUL OUTCOMES OVER THE TOTAL NUMBER OF OUTCOMES.

Probability Write down the probability of each event.

Aspire - To be able to construct a tree diagram from worded questions. Challenge – To be able to complete and use a tree diagram to solve probability questions.

The binomial distribution

Level 4/5 Booster Lesson 11B Probability.

Probability 100% 50% 0% ½ Will happen Won’t happen

(Single and combined Events)

Sample space diagrams 1. A blue and a red dice are thrown and the scores added together. (a) Complete the sample space diagram. (b) What is the probability.

Combinations If there were three drinks and three chocolate bars, list the combinations.

Twenty Questions Subject:.

1.9 Probability.

QUESTION INSTRUCTIONS

Name: _______________________________

QUESTION INSTRUCTIONS

The Bright Light By Yan Shan and Andre.

Twenty Questions Subject:.

Ratio: Converting ratio to fractions

1.7 Addition Rule - Tree Diagrams (1/3)

©G Dear2009 – Not to be sold/Free to use

Probability Tree diagrams

Probability Tree diagrams

Twenty Questions Subject:.

Shell Jeopardy! Add your name here.

Twenty Questions Subject:.

Twenty Questions Subject:.

Twenty Questions Subject:.

Twenty Questions Subject:.

What happens when we multiply fractions?

Twenty Questions Subject:.

Twenty Questions Subject:.

Which Team Will Win? Think back to this previous lesson where we compared frequency trees with a probability tree diagram:

Twenty Questions Subject:.

What fraction should go here

Presentation transcript:

Mathsercise-C Probability Trees Ready? Here we go!

Probability Trees Shay throws a dice 60 times. He scores a six, twenty times. Is the dice fair? 1 Answer Question 2 On a fair dice the probability of getting a 6 is one- sixth 1 6 x 60 = 10 So no!-the dice is not fair!

The probability of a green light at traffic lights is 50%. What is the probability of hitting green lights at two consecutive traffic lights? 2 Probability Trees Answer Question 3 It is better to change 50% into x 0.5 = 0.25 “and” in probability means multiply

3 Complete this probability tree for throwing a fair red dice and a fair blue dice Probability Trees Red Dice Blue Dice Six Not Six 1616 Answer Question

Look at question 3. What is the probability of not throwing a six with either a red or a blue dice? 4 Probability Trees Answer Start x = Where do these fractions come from?