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A new car comes in 3 different engine sizes. There is a choice of 5 colours. How many different options are available? See page 123 The Fundamental Principle of Counting 8 15 5 35 What is the probability of picking a yellow disc? 3 4 3 7 3 8 a. What is the probability of picking a yellow disc? 1 2 3 3 3 7 What is the probability of picking a yellow or a blue disc? 2 3 5 7 3 7 Match the correct letter to the statement 0 The probability that you get a head when tossing a coin A A 0.5 B B C 1 C Match the correct letter to the statement 0 A The probability that you get a number less than 7 when rolling an ordinary dice A B 0.5 B C 1 C What is the probability that it is an A ? A letter is chosen at random from the word 2 11 MATHEMATICS 1 11 2 9 What is the probability that it is a vowel ? A letter is chosen at random from the word 4 11 MATHEMATICS 3 11 3 7 The probability that she picks a white marble is ¼ How many white marbles does she have? Jane has 20 marbles. Some are black, some are white and some are red 2 3 4 5 Rolls 20 10 30 40 50 60 Sean is doing an experiment to see if a coin is biased Total heads 13 19 24 31 39 7 Is the coin baised? No Yes Michael spins a spinner 10 times He gets the letter B six times. How many times would he expect to get the letter B if he did 30 spins? 12 18 20 24 What is the relative frequency of getting blue? Green Results from choosing a disc 20 times 10 Yellow 3 7 Blue 7 John has a 3 sided spinner with 1,2 and 3 on it. He also has a 4-sided spinner with 2,4,5 and 6 on it. He spins both spinners and adds the score. What is the probability of scoring 7? + 2 4 5 6 1 3 4 6 7 2 4 8 6 7 7 3 8 5 9 12 What is the missing value in the table? 1 3 2 4 The table shows the probabilites that the arrow will land on each number. 0.1 Score 2 4 1 3 0.2 0.3 Probability 0.4 0.3 0.2 0.1 ? The probability that player A will win the tennis match is ⅛ What is the probability that player A will lose? 8 The probability that team A will win the football match is 3/10. The probability that team A will lose is 6/10 What is the probability that player A will draw? 10 Complete the probability tree diagram. There are 9 discs in a bag. 4 are red and 5 are green. One disc is taken out. Green Red 4 9 |