The probability that a patient recovers from a rare blood disease is 0.4. If 15 people are known to have contracted this disease. a. what is the probability mass function? b. what is the probability that exactly 5 survive? c. what is the probability that at least 14 survive? d. what is the probability that at most 2 survive? e. Find the mean and variance of the binomial random variable.
The probability that a patient recovers from a rare blood disease is 0.4. If 15 people are known to have contracted this disease. a. what is the probability mass function? b. what is the probability that exactly 5 survive? c. what is the probability that at least 14 survive? d. what is the probability that at most 2 survive? e. Find the mean and variance of the binomial random variable.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
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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
Transcribed Image Text:The probability that a patient recovers from a rare blood disease is 0.4. If 15 people are known to
have contracted this disease.
a. what is the probability mass function?
b. what is the probability that exactly 5 survive?
c. what is the probability that at least 14 survive?
d. what is the probability that at most 2 survive?
e.
Find the mean and variance of the binomial random variable.
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