A large Midwestern university is interested in estimating the mean time that students spend at the student recreation center per week. A previous study indicated that the standard deviation in time is about 40 minutes per week
If the officials wish to estimate the mean time within ± 10 minutes with a 90 percent confidence, what should the sample size be?A) 44
B) 62
C) 302
D) Can't be determined without knowing how many students there are at the university.
A
Business
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List and briefly describe the four customer types based on their levels of satisfaction and loyalty
What will be an ideal response?
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Assurance is the:
A) ability to perform the service dependably and accurately. B) ability of the service provider to respond to the customers needs on a timely basis. C) service provider's employees' knowledge and courtesy and the confidence they instill. D) high level of attention given to customers.
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