a) Find the probability that exactly 3 of the next 5 components tested survive. b) Find the probability of at least 3 components of the 5 components tested will survive c) Find the expected value

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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The probability that a certain kind of component will survive a test is 2/5.
a) Find the probability that exactly 3 of the next 5 components tested survive.
b) Find the probability of at least 3 components of the 5 components tested will survive
c) Find the expected value
d) Find the variance of the random variable
e) Check c) and d) using formula
Transcribed Image Text:The probability that a certain kind of component will survive a test is 2/5. a) Find the probability that exactly 3 of the next 5 components tested survive. b) Find the probability of at least 3 components of the 5 components tested will survive c) Find the expected value d) Find the variance of the random variable e) Check c) and d) using formula
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