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Waiting line: This summer, some of you undoubtedly found yourself standing in line to buy a ticket to enter a theme park. At many theme parks, separate lines form in front of each open ticket window. Contrast this configuration with the popular single-line, multiple-server system (ie, model 3) we see in use at banks, airports, etc. Suppose that your favorite theme park has N ticket booths. Further assume that each booth is staffed by one of the park's equally-proficient ticket-takers, who each process tickets at average rate of ??(mu) tickets/hr. Each hour, an average of ? (lamda) customers arrive to buy tickets. You may assume that Lamda < N*mu. Explain why a customer would likely prefer a single line, N server (channel) system over N-single server systems like those used by many theme parks. Support your answer with an example and the appropriate summary statistics.
Nitrogen and Seagrass. The seagrass Thalassia testudinum is an integral part of the Texas coastal ecosystem. Essential to the growth of T. testudinum is ammonium.
a distribution has a mean of 110 and a standard deviation of 20 if nothing is known about the shape of distribution
describe how you would use a random number table to get a random sample of 50 people who had listed phone numbers in a
Compute the probability for the given frequency distribution.
Suppose you obtain a 100 bag random sample by taking 25 subgroups of 4 bags each, the mean weight of the 25 subgroups was 16.00 ounces with a total of the subgroup ranges of 87.5 oz.
10. 3.52 8.87 3.99 3.61 2.33 3.21 0.25 4.94use the sample data to construct a 95 confidence interval estimate of the
1.regular exercise is supposed to make your heart stronger and lower the resting pulse rate. 91 individuals reported
question a recent national survey asked adults if they thought the government should continue to fund nasas efforts
City officials in Fort Lauderdale, Florida, are trying to decide whether to evacuate coastal residents in anticipation of a major hurricane that my make landfall near their city
A recent article in the Myrtle Beach Sun Times reported that the mean labor cost to repair a colour television is $90 with a standard deviation of $22. Monte's TV Sales and Service completed repairs on two sets this morning. The labor cost for the..
You construct a 90% confidence interval for the average stock price to be (267.348, 279.472). Of the following choices, what is the approporiate interpretation of this interval?
The MacBurger restaurant chain claims that the waiting time of customers for service is normally distributed, with a mean of 3 minutes and a standard deviation of 1 minute.
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