Mathematics, 01.11.2019 02:31 NeverEndingCycle
Do you dislike waiting in line? supermarket chain kroger has used computer simulation and information technology to reduce the average waiting time for customers at 2300 stores. using a new system called quevision, which allows kroger to better predict when shoppers will be checking out, the company was able to decrease average customer waiting time to just 26 seconds (informationweek website and the wall street journal website, january 5, 2015) a. which of the exponential probability distribution is applicable and show the probability density function of waiting time at kroger. a. f(z) = e-= e-26 for z 20 b. f(z) =-e e-x for x > 0 c. f(--=-e-26 for x < 0 d. f(x) =-e--=-e26 for x > 0 ÎĽ 26 26 26 26 b. what is the probability that a customer will have to wait between 15 and 30 seconds (to 4 decimals)? 0.0095 c. what is the probability that a customer will have to wait more than 2 minutes (to 4 decimals)? 0.9962
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Do you dislike waiting in line? supermarket chain kroger has used computer simulation and informati...
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