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 17 recover? (d) What is the probability that at most 15 recover?

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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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 17 recover?
(d) what is the probability that at most 15 recover?
Transcribed Image Text: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 17 recover? (d) what is the probability that at most 15 recover?
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