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Exercise 7. Avian flu is a disease transmitted to humans from birds, Untreated, it has a mortality rate of 60%, meaning that the probability th catches the avian flu dies with probability p = 0.6. In a given city, 20 individuals catch the avian flu. (a) Explain why it makes sense why the number of individuals who using a binomial random variable. (b) Assuming the individuals are untreated, calculate the expected n (c) Calculate the probability that at least one individual survives the (d) Under a new treatment, at least 15 of the 20 individuals survive. that we would see so many individuals surviving if the mortality rate w

Exercise 7. Avian flu is a disease transmitted to humans from birds, Untreated, it has a mortality rate of 60%, meaning that the probability th catches the avian flu dies with probability p = 0.6. In a given city, 20 individuals catch the avian flu. (a) Explain why it makes sense why the number of individuals who using a binomial random variable. (b) Assuming the individuals are untreated, calculate the expected n (c) Calculate the probability that at least one individual survives the (d) Under a new treatment, at least 15 of the 20 individuals survive. that we would see so many individuals surviving if the mortality rate w

A First Course in Probability (10th Edition)
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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Exercise 7. Avian flu is a disease transmitted to humans from birds, and is of global concern. Untreated, it has a mortality rate of 60%, meaning that the probability that a given individual who catches the avian flu dies with probability p = 0.6. In a given city, 20 individuals catch the avian flu. (a) Explain why it makes sense why the number of individuals who survive could be modeled using a binomial random variable. (b) Assuming the individuals are untreated, calculate the expected number who will survive. (c) Calculate the probability that at least one individual survives the disease. (d) Under a new treatment, at least 15 of the 20 individuals survive. Calculate the probability that we would see so many individuals surviving, if the mortality rate were p = 0.6.
Transcribed Image Text:Exercise 7. Avian flu is a disease transmitted to humans from birds, and is of global concern. Untreated, it has a mortality rate of 60%, meaning that the probability that a given individual who catches the avian flu dies with probability p = 0.6. In a given city, 20 individuals catch the avian flu. (a) Explain why it makes sense why the number of individuals who survive could be modeled using a binomial random variable. (b) Assuming the individuals are untreated, calculate the expected number who will survive. (c) Calculate the probability that at least one individual survives the disease. (d) Under a new treatment, at least 15 of the 20 individuals survive. Calculate the probability that we would see so many individuals surviving, if the mortality rate were p = 0.6.
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