SOLUTION: A certain airplane has two independent alternators to provide electrical power. The probability that a given alternator will fall on a 1-hour flight is .02. What is the probability

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Question 130159: A certain airplane has two independent alternators to provide electrical power. The probability that a given alternator will fall 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?
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
a) .02*.02=.0004 Both will fail.
.
b)
1-.02=.98 Probability one wont fail.
.98*.98=.9604 Neither will fail
.
.9604+.0004=.9608
1-.9608=.0392 One or the other will fail.