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Q1) Customer Waiting Times Waiting times (in minutes) of customers at Jefferson Valley Bank (where all customers enter single waiting line) and Bank of Providence (where customers wait in individual lines are 3 different teller window) are given.
Jefferson Valley (single line): 6.5 6.6 6.7 6.8 7.1 7.3 7.4 7.7 7.7 7.7
Providence (individual lines): 4.2 5.4 5.8 6.2 6.7 7.7 7.7 8.5 9.3 10.0
Q2) U.S. Army requires women's heights to be lies between 58 in. and 80 in. Women have heights with mean of 63.6 and standard deviation of 2.5 in. Determine z score corresponding to minimum height requirement and determine z score corresponding to maximum height requirement. Find out whether minimum and maximum heights are unusual.
Would it be reasonable to conclude that the population mean is 63 pounds?
What can we conclude from this summary, Which of the following statements is correct and In which of the following situations would permutation tests be suitable
What is the expected value and variance for the number of contacts in eight attempts?
Using the Census data, the OH Registry of Motor Vehicles reveal the subsequent about the Autos owned by the 10 families residing in Smallville.
Data in table represent number of consumer complaints against major U.S. airlines. If one complaint from table is arbitrarily chosen, determine the probability that it was filed against United Airlines.
Based on surveys conducted in 1989 and 1999, a researcher compared the proportion of high school age females interested in a career in science in 1989 with the proportion in 1999. He concluded that the proportions were not significantly different ..
Develop a 99 percent confidence interval for the population proportion.
Conduct an analysis of variance
The random variable X has which of the following probability distributions and What is the probability that no student wins
Evaluate the mean wait time and throughput rate
We code middle-aged Americans as 1 and senior citizens as 0, the logistic regression model for senior citizens
Determine the dependent variable(s)? Determine the value of the statistic? Write down the name of one variable not mentioned in this study that one might wish to control for.
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