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please help A certain airplane has two independent alternators to provide electrical power. The probability that a given alternator will fail on a one-hour flight

please help

A certain airplane has two independent alternators to provide electrical power. The probability that a given alternator will fail on a one-hour flight is 0.020.

(a)What is the probability that both will fail?(Round your answer to 4 decimal places.)

Probability

(b)What is the probability that neither will fail?(Round your answer to 4 decimal places.)

Probability

(c)What is the probability that at least one fails?(Round your answer to 4 decimal places.)

Probability

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