Answered: What is the probability that exactly 12…

What is the probability that exactly 12 recover? (b) What is the probability that at least 10 recover? (c) What is the probability that at least 12 but not more than 19 recover?

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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Question

The probability that a patient recovers from a stomach disease is 0.7. Suppose 20 people are known to have contracted this disease. (Round your answers to three decimal places.)

(a)

What is the probability that exactly 12 recover?

(b)

What is the probability that at least 10 recover?

(c)

What is the probability that at least 12 but not more than 19 recover?

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