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Does the number of purchases made by a customer depend on wh…

Does the number of purchases made by a customer depend on whether s\he opens the promotional email? Answer True or False below in the first textbox and provide the reasoning below. No credit will be given without the reasoning.  True or False: [TorF] Reasoning: [shortReasoning]

Customers arrive at a pharmacy pickup counter with a single…

Customers arrive at a pharmacy pickup counter with a single attendant. The interarrival time has a mean of 2 minutes and a standard deviation of 1 minute 20 seconds. The service time for fulfilling a pickup has a mean of 1 minute 30 seconds and a standard deviation of 45 seconds.Using Kingman’s formula, compute the average waiting time in queue for customers in minutes. Show your work on the scratch paper to receive any credit; no points will be given without the work. Provide four digits after the decimal point.

Customers arrive at a two-station tandem queueing system acc…

Customers arrive at a two-station tandem queueing system according to a Poisson process with a rate of 12 customers per hour.  Station 1: Average service time = 3 minutes After service, 40% of customers leave the system, and 60% proceed to Station 2. Station 2: Average service time = 5 minutes There is unlimited queue capacity at both stations. Service times are exponentially distributed at both stations. Show your work on the scratch paper when answering Q18-20; no points will be given without the work. 

A call center receives customer calls according to a Poisson…

A call center receives customer calls according to a Poisson process with rate 12 calls per hour. Each call is independently classified as either a priority call with probability 0.25 or a regular call with probability 0.75. Show your work answering Q13-15 below.