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Question: Recall that an M/M/1 queueing system is a GI/G/c system in which customers arrive according to a Poisson process with rate λ, and service times are exponential with mean 1/µ. For an M/M/1 queueing system, each time that a customer arrives to the system or a customer departs from the system, we say that a transition occurs. Let Xn be the number of customers in the system immediately after the nth transition. Show that {Xn : n = 1, 2,...} is a Markov chain, and find its probability transition matrix. Find the period of each state of the Markov chain.
a sample of n 16 scores is selected from a population with ? 100 and ? 32. if the sample mean is m 104 what is the
Note that if only a single batch of pulp was produced under each preparation method and split into 12 sub-batches for the cooking factor, this would be an example of pseudo-replication. Why?
The current average processing time at the drive through is 3 min. The manager wants to reduce this processing time to 2 min.
Suppose that x is normally distributed with a mean of 20 and a standard deviation of 15. What is P(-7.45 = x = 54.95)?
There are two bags, each containing 100 ping-pong balls. Bag A contains 100 red balls and no black balls, and bag B contains 20 red and 80 black.
Determine the value of the finite population correction factor if population size is 1000 and the sample size is 300? What is the smallest sample size for which finite population correction factor must be Used?
Sports and Leisure A wingsuit is a specially designed jumpsuit with added surface area to provide more lift. Extremesports enthusiasts wear this suit.
Find the area under the standard normal curve to the right of z = 1.55. Round to four decimal places. Find the area under the standard normal curve to the left of z = 2.33.
Perform a two-sample z-test for proportions to test if men are more likely than women to make online purchases of books.
there are 1000 students in the senior class at a certain high school. the high school offers two advanced placement
If one woman from this population is randomly selected, find the probability that her systolic blood pressure is greater than 120.
Why is variance, as a measure of variability, preferred to the range, the IQR, and the SIQR?
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