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Random variable represents the number of hours that a machine component willlast,anditspdfis()= for0. a) Find the probability that the component will last at least 6

Random variable represents the number of hours that a machine component willlast,anditspdfis()= for0.

a) Find the probability that the component will last at least 6 hours.

b) The machine has 3 components. Find the probability that they all will last at

least 6 hours, assuming that they operate independently.

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