Find the probabilities that the driver will pick up

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A taxi driver knows from past experience that the number of fairs he will pick up during an evening is a random variable which has the mean 25.6 and S.D 4.2 .Find the probabilities that the driver will pick up

(A)25 fares
(B)more than 20 fares
(C)less than 20 fares

 

Reference no: EM13195611

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