Mathematics, 29.01.2020 04:50 htahir2345
The warranty on a machine specifies that it will be replaced at failure or age 4, whichever occurs first. the machines age at failure, x, has density function:
f(x) = 1/5 for 0 0 otherwise
let y be the age of the machine at the time of replacement.
determine the variance of y.
Answers: 1
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