1) The Venn diagram shows the number of countries that won gold, silver, bronze or no medals at the 2012 summer Olympic games in London. How many countries won at least two medals? a) 204 b) 62 c) 19 d) 43 2) How many countries won at most on medal only? a) 142 b) 119 c) 23 d) 43 3) People attending the Fitness centre early on Saturday morning either went swimming or did a workout in the gym. The numbers are shown in the table. Find the probability that a person selected at random is male and did a workout in the gym. a) 0.35 b) 0.37 c) 0.31 d) 0.34 4) Find the percentage of females who did a workout in the gym.   a) 27% b) 37% c) 63% d) 16% 5) Year 8 students were asked about their favourite drink. The results are in the table. What is the probability of randomly selecting a student that is a girl and likes soft drinks a) 0.35 b) 0.11 c) 0.07 d) 0.22 6) What is the probability that if a girl is randomly selected, she prefers water? a) 0.23 b) 0.15 c) 0.35 d) 0.43

Probability revision quiz

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