# 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 neither will fail?

##### 1 Answer

Apr 18, 2017

The probability is

#### Explanation:

The probability that the single alternator will NOT fail is:

To calculate the probability that neither of 2 alternators fails we have to square the probability for a single alternator: