Mathematics, 28.02.2021 21:50 katrinanuez

A 6-cylinder engine has two defective spark plugs. Three spark plugs were selected randomly and their condition was examined. Considering that X is a number of spark plugs that are not working properly, find: a. The probability distribution of X and express it in a table form
b. The expected value of X
c. The standard deviation
d. The probability that at least two spark plugs not working properly.

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A 6-cylinder engine has two defective spark plugs. Three spark plugs were selected randomly and thei...