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Probability Bingo! Use any 9 of these numbers ¼ 35% ½ 1/ 3 12% 0.42 ¾ 5/ 6 3/ 10 13/ 20 0.65 57% 55% 0.8 0.78 7/ 15 Answer = 0.8 The probability that I will take the bus is 0.2, what is the probability I will not? Answer = 7/15 • There are 4 white beads, 2 red beads, 1 green bead and 8 blue beads • What is the probability that the bead I pick is NOT blue? Answer = 5/6 What is the probability of scoring less than a 6 on a normal dice Answer = 0.42 • The probability that I choose a girl to answer a question is 0.58 what is the probability I choose a boy? Answer = 3/10 • The chance of picking a girl from a group of 3 girls and 7 boys. Answer = 0.78 • The probability I vote on the x-factor is 0.22, what is the probability I do not vote? Answer = 1/3 • Tonight I can watch x-factor, visit a friend or go late night shopping. • I am equally likely to do each thing • What is the probability I watch x-factor? Answer = ½ • What is the probability of getting an even number when a normal dice is thrown? Answer = 0.65 • • • • I have red, green and black tights The probability I wear red tights is 0.10 The probability I wear green tights is 0.25 I am going to wear tights. What is the probability I wear black tights? Answer = ¼ • The chance of getting 2 heads when 2 coins are flipped. Answer = ¾ • At a running club 25% of the runners have run a marathon. • What is the probability a runner picked at random has not run a marathon? Answer = 13/20 • A box of chocolates has 5 strawberry creams, 4 coffee creams, 9 caramels and 2 toffee dreams. • What is the probability that I pick a coffee cream or a caramel? Answer = 0.57 • The probability that it rains tomorrow is 0.43. What is the probability that it will NOT rain? Answer = 9/20 • In an experiment a drawing pin lands point down 9 times out of 20. • What is the experimental probability that the pin will land point up? Answer = 35% • In a year group of 200 students 70 are left handed. What is the probability that a randomly picked student will be left handed? Answer = 12% • In a group of 50 teachers 6 are mathematicians. • What is the probability that a teacher picked at random will be a mathematician?