Willowbrook National Bank operates a drive sp teller window that allows customers to complete bank transactions without

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Willowbrook National Bank Operates A Drive Sp Teller Window That Allows Customers To Complete Bank Transactions Without 1 (16.92 KiB) Viewed 12 times

Willowbrook National Bank operates a drive sp teller window that allows customers to complete bank transactions without getting out of their cars. Os wekday monings, arvals to the drive-up teller window occur at randem, with as arrival rate of 30 customers per hour or 8.5 customers per me (A) What is the mean or expected number of customers that will arrive in a minute period (b) Assume that the Poisson probability distribution can be used to describe the antval process. Use the arvelte in part (a) and compule the probabilitest duing a six minute period. (Round your answers to foor decimal places) . 9 1 2 P(x) 2, and 3 customers will re c) Delays arexpected more than those customers are during any sis minute period. What is the probability that delers will nour? (Round your answer to four decimal places) Need Help? with