NUM 2-Mar-16Created by Mr. Lafferty Maths Dept. Probability www.mathsrevision.com Probability in Ratio Form Independent Events (Extension) Probability.

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Presentation transcript:

NUM 2-Mar-16Created by Mr. Lafferty Maths Dept. Probability Probability in Ratio Form Independent Events (Extension) Probability in Fraction Form Dependent Events (Extension)

NUM 2-Mar-16Created by Mr. Lafferty Maths Dept. Starter Questions 55 o xoxo 47 o

NUM 2-Mar-16Created by Mr. Lafferty Maths Dept. Learning Intention Success Criteria 1.Understand the term probability. probability. 1.We are learning how to calculate probability in ratio form. 2.Calculate the probability of an event happening. Probability 3.Write in ratio form.

NUM 2-Mar-16Created by Mr. Lafferty Maths Dept CertainEvensImpossible Not very likely Very likely Everyone getting 100 % in test Homework Every week Toss a coin That land Heads It will Snow in winter Going without Food for a year. Probability Likelihood Line Which event is fair? Tossing a coin

NUM 2-Mar-16Created by Mr Lafferty Maths Dept Probability Likelihood Line CertainEvensImpossible Not very likely Very likely Winning the Lottery School Holidays Baby Born A Boy Seeing a butterfly In July Go back in time

NUM 2-Mar-16Created by Mr. Lafferty Maths Dept. Now try Lifeskills Introduction Ex Ch12 (page 98) Probability

NUM 2-Mar-16Created by Mr. Lafferty Maths Dept. Starter Questions

NUM 2-Mar-16Created by Mr. Lafferty Maths Dept. Learning Intention Success Criteria 1.Understand the term probability. probability. 1.We are learning how to calculate probability in fraction form. 2.Calculate the probability of an event happening. Probability 3.Write in fraction form.

NUM 2-Mar-16Created by Mr. Lafferty Maths Dept. Probability Calculating Probability Probability can be thought of as a simple fraction or decimal. It always lies between 0 and 1. 0 meaning impossible ( could not happen) 1 meaning certain ( will definitely happen)

NUM 2-Mar-16Created by Mr. Lafferty Maths Dept. Probability Calculating Probability Example : A boy tossed a coin. What is the probability that it is heads. Example : There are 3 red and 4 green balls in a bag. What is the probability a green ball is picked.

NUM 2-Mar-16Created by Mr. Lafferty Maths Dept. Now try Lifeskills Ex 1 Ch12 (page 99) Probability Have you updated your Learning Log ? Are you on Target ? I can ?