Question: Plz help me...... It was known that a control contains a certain type of component whose time, in years, to failure is given by V.

Plz help me......

It was known that a control contains a certain type of component whose time, in years, to failure is given by V.

The random variable Vis modeled well through exponential distribution with mean time to failure of five (5).

If 5 of the components are appointed in dissimilar controls,

what is the probability that at least 2 are still working very very well at the end of 8 years?

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