A consumer organization estimates that over a 1-year period 17% of cars will nee

Question

A consumer organization estimates that over a 1-year period 17% of cars will need to be repaired once, 7% will need repairs twice, and 1% will require three or more repairs. What is the probability that a car chosen at random will need a) no repairs? b) no more than one repair? c) some repairs? a) The probability that a car will require no repairs is. (Do not round.) b) The probability that a car will require no more than one repair is. (Do not round.) c) The probability that a car will require some repairs is. (Do not round.)

Explanation / Answer

(a)1 - (0.17+0.07+0.01) = 0.75

(b) 1- (0.07 + 0.01) = 0.92

(c) 0.17 + 0.07+ 0.01 = 0.25

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