1) 15 out of 35 emails have come from colleges. What is the experimental probability the next email will come from a college?? a) 3/7 b) 5/7 c) 15/50 d) 5/8 2) Molly checked 12 dozens of apples. 4 of the dozens have at least 1 rotten apple. What is the experimental probability that a dozen of apples has at least 1 rotten? a) 1/4 b) 1/3 c) 1/12 d) 1/15 3) You roll a number cube ten times and get a 6 four of those times. What is the experimental probability of rolling a 6? a) 1/6 b) 1/2 c) 2/5 d) 2/3 4) A number cube is rolled 8 times and you get 4, three times. What is the experimental probability of rolling a four? a) 1/6 b) 3/8 c) 1/2 d) 3/4 5) You get heads 20 out of 50 times flipping a coin. What is the experimental probability of flipping heads the next time around? a) 1/2 b) 3/10 c) 2/7 d) 2/5 6) Thirteen out of 20 emails in your inbox are junk emails. What is the experimental probability that your next email is junk? a) 7/20 b) 9/20 c) 11/20 d) 13/20 7) It rains 2 out of the last 12 days in March. If this trend continues, what is the experimental probability of it raining in April? a) 2/5 b) 1/6 c) 1/4 d) 1/8 8) The local high school soccer team has won 17 out of their last 24 games. Ignoring all other factors (how good the other team is, away vs home game, etc.) what is the probability they will win their next game? a) 1/2 b) 18/25 c) 17/24 d) 3/4 9) Riley saw 10 blue, 8 red, and 42 white cars drive by her house in 1 hour. What is the experimental probability that the next car the drives by her house will not be a white car? a) 1/2 b) 3/10 c) 3/5 d) 7/10 10) A restaurant surveys customers with the following results: 8 pizzas, 12 hamburgers, 14 pastas, and 6 steaks. What is the experimental probability of pizza or steak? a) 1/5 b) 1/2 c) 1/4 d) 7/20

Experimental Probability

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