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A barber expects to get between zero and six customers per hour in his barber shop. The probability of these is given as follows: Customers

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A barber expects to get between zero and six customers per hour in his barber shop. The probability of these is given as follows: Customers Probability, f(x) 15 07 .29 26 .13 09 01 Find the number of expected customers that the barber will get per hour. Also, find the variance and standard deviation of this data

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