Expected time between arrivals
Cars arrive at Carla's Muffler shop for repair work at an average of 3 per hour, following an exponential distribution.
(a) What is the expected time between arrivals?
(b) What is the variance of the time between arrivals?
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The engines are sold to manufacturers who install them in such products as lawn mowers. The company currently manufactures all the parts used in these engines but is considering a proposal from an external supplier to supply the starter assembly u
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If you pick a card at random from a well-shuffled deck, what is the probability that you get a spade or a two?
South Pole Novelties sells ice cream bars from a kiosk near campus. Fixed costs are $260 per week and the variable cost is $.50 per ice cream bar.
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