The center for Disease Control and Prevention reported in 2012 that 1 in 88 people had been diagnosed with a certain disease. 1.) If a random sample of 352 people is selected, what is the probability that seven people have this disease? 2.) If a random sample of 440 people is selected, what is the probability that at most 2 people have this disease? 3.) What is the average number of people in a sample of 880 who have this disease? 4.) What is the variance in the sample of 880 people?

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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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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The center for Disease Control and Prevention reported in 2012 that 1 in 88 people had been diagnosed with
a certain disease.
1.) If a random sample of 352 people is selected, what is the probability that seven people have this disease?
2.) If a random sample of 440 people is selected, what is the probability that at most 2 people have this
disease?
3.) What is the average number of people in a sample of 880 who have this disease?
4.) What is the variance in the sample of 880 people?
Transcribed Image Text:The center for Disease Control and Prevention reported in 2012 that 1 in 88 people had been diagnosed with a certain disease. 1.) If a random sample of 352 people is selected, what is the probability that seven people have this disease? 2.) If a random sample of 440 people is selected, what is the probability that at most 2 people have this disease? 3.) What is the average number of people in a sample of 880 who have this disease? 4.) What is the variance in the sample of 880 people?
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