# Probability: airplane has two independent alternators

A certain airplane has two independent alternators to provide electrical power. The probability

that a given alternator will fail on a 1-hour flight is .02.

What is the probability that

(a) both will fail?

(b) Neither will fail?

(c) One or the other will fail? Show all steps carefully.

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#### Solution Preview

A certain airplane has two independent alternators to provide electrical power. The probability

that a given alternator will fail on a ...

$2.19