Mathematics, 25.02.2020 23:18 greyxxamber
Three components are randomly sampled, one at a time, from a large lot. As each component is selected, it is tested. If it passes the test, a success (S) occurs; if it fails the test, a failure (F) occurs. Assume that 80% of the components in the lot will succeed in passing the test. Let X represent the number of successes among the three sampled components.
Find p(X=1). Find P(X=0). Find the mean of the random variable X and the interpret. Find the standard deviation of the random variable X. Let Y represent the number of successes if four components are sampled. Find P(Y=3). Let Z represent the number of successes if four components are sampled. Find P(Z=3).
Answers: 2
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Three components are randomly sampled, one at a time, from a large lot. As each component is selecte...
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