Question: Operations Research Questions Qns. ONE: e) On an average, 6 customers reach a telephone booth every hour to make calls. Determine the probability that exactly

Operations Research Questions

Qns. ONE:

e) On an average, 6 customers reach a telephone booth every hour to make calls. Determine the probability that exactly 4 customers will reach in 30 minute period, assuming that the arrivals follow Poisson distribution.

f) A stockist purchases an item at the rate of Kshs. 40 per piece from a manufacturer. 2,000units of the item are required per year. What should be the order quantity per order if the cost per order is Kshs. 15 and the inventory charges per year are Kshs. 0.2?

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