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8. About 29% of Americans own a cat. In a randomly selected group of 80 Americans, find the probability that at least 20 own a cat.

8. About 29% of Americans own a cat. In a randomly selected group of 80 Americans, find the probability that at least 20 own a cat.

Algebra and Trigonometry (MindTap Course List)
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter14: Counting And Probability
Section14.CR: Chapter Review
Problem 5CC: a What is meant by an experiment? Sample space? b What is an event? c Define the probability of an...
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Binomial probability
8. About 29% of Americans own a cat. In a randomly selected group of 80 Americans, find the probability that at least 20 own a cat. 9. Forty percent of the U.S. population 16 years old and older participate in wildlife-related activities (hunting, fishing, bird-watching). In a randomly selected group of 140 people at least 16 years old, how many would you expect to participate in wildlife-related activities? 10. A Food Marketing Institute survey found that 56% of American consumers eat seafood twice a month. In a randomly selected group of 75 American consumers, find the probability that no more than 40 of them eat seafood twice a month.
Transcribed Image Text:8. About 29% of Americans own a cat. In a randomly selected group of 80 Americans, find the probability that at least 20 own a cat. 9. Forty percent of the U.S. population 16 years old and older participate in wildlife-related activities (hunting, fishing, bird-watching). In a randomly selected group of 140 people at least 16 years old, how many would you expect to participate in wildlife-related activities? 10. A Food Marketing Institute survey found that 56% of American consumers eat seafood twice a month. In a randomly selected group of 75 American consumers, find the probability that no more than 40 of them eat seafood twice a month.
8. About 29% of Americans own a cat. In a randomly selected group of 80 Americans, find the probability that at least 20 own a cat. 9. Forty percent of the U.S. population 16 years old and older participate in wildlife-related activities (hunting, fishing, bird-watching). In a randomly selected group of 140 people at least 16 years old, how many would you expect to participate in wildlife-related activities? 10. A Food Marketing Institute survey found that 56% of American consumers eat seafood twice a month. In a randomly selected group of 75 American consumers, find the probability that no more than 40 of them eat seafood twice a month.
Transcribed Image Text:8. About 29% of Americans own a cat. In a randomly selected group of 80 Americans, find the probability that at least 20 own a cat. 9. Forty percent of the U.S. population 16 years old and older participate in wildlife-related activities (hunting, fishing, bird-watching). In a randomly selected group of 140 people at least 16 years old, how many would you expect to participate in wildlife-related activities? 10. A Food Marketing Institute survey found that 56% of American consumers eat seafood twice a month. In a randomly selected group of 75 American consumers, find the probability that no more than 40 of them eat seafood twice a month.
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