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.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2ae6afaa-44e8-440f-a560-39220de663ad%2Fa2af22e0-0da1-4495-8db8-296b481e03a6%2Fecby6bx_processed.jpeg&w=3840&q=75)
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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2ae6afaa-44e8-440f-a560-39220de663ad%2Fa2af22e0-0da1-4495-8db8-296b481e03a6%2Fuhywtm_processed.jpeg&w=3840&q=75)
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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