Binomial Probability Review Practice 1. Allie plays on the varsity basketball team and makes 79% of her free throws. If she takes 12 shots, find the probability that she will make exactly 8 of them. (12) (0.79)8 (0.81)" - 0. 146 2. Julie plays corn hole and gets about 60% of the bags in the hole. If she throws 20 bags, find the probability that she will get at least 15 of them in the hole. 3. When 911 dispatches an ambulance to an emergency, the ambulance arrives within 6 minutes 95% of the time. Find the probability that in 10 calls, the ambulance arrives within 6 minutes at most 7 times. 4. In the wild, about 35% of acorns germinate and grow into oak trees. If 50 acorns fall in the forest, how many would we expect to germinate? 50 0.35- 17.5 5. Approximately 3.4% of Americans are vegetarian. If we ask a random sample of 36 people, what is the probability that exactly 4 of them are vegetarian? 36 eu (0.034)" C0.966) 36-4 0.0260 %D 6. Thirteen percent of adults are left-handed. In a group of 25 adults, find the probability of finding at least one lefty. 1-a5

Binomial Probability Review Practice 1. Allie plays on the varsity basketball team and makes 79% of her free throws. If she takes 12 shots, find the probability that she will make exactly 8 of them. (12) (0.79)8 (0.81)" - 0. 146 2. Julie plays corn hole and gets about 60% of the bags in the hole. If she throws 20 bags, find the probability that she will get at least 15 of them in the hole. 3. When 911 dispatches an ambulance to an emergency, the ambulance arrives within 6 minutes 95% of the time. Find the probability that in 10 calls, the ambulance arrives within 6 minutes at most 7 times. 4. In the wild, about 35% of acorns germinate and grow into oak trees. If 50 acorns fall in the forest, how many would we expect to germinate? 50 0.35- 17.5 5. Approximately 3.4% of Americans are vegetarian. If we ask a random sample of 36 people, what is the probability that exactly 4 of them are vegetarian? 36 eu (0.034)" C0.966) 36-4 0.0260 %D 6. Thirteen percent of adults are left-handed. In a group of 25 adults, find the probability of finding at least one lefty. 1-a5

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.9: Independent And Dependent Events

Problem 16E

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