A random variable Y is the arrival time in minutes between customers at a store and...
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A random variable Y is the arrival time in minutes between customers at a store and is assumed to follow an exponential distribution If the mean of Y is 24 minutes, • the average number of customers in a minute is [ P(Y<18)= • P(17 SYS 21)- the value of m such that the probability that Y is at least mis 0.390 is [ the mean number of customers in an hour is . If the mean number of customers in an hour at this store is 2.1. PY s 19 minutes) A random variable Y is the arrival time in minutes between customers at a store and is assumed to follow an exponential distribution If the mean of Y is 24 minutes, • the average number of customers in a minute is [ P(Y<18)= • P(17 SYS 21)- the value of m such that the probability that Y is at least mis 0.390 is [ the mean number of customers in an hour is . If the mean number of customers in an hour at this store is 2.1. PY s 19 minutes)
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