University Administrators Are Trying to Decide Where to Build a New

question 83

Multiple Choice

University administrators are trying to decide where to build a new parking garage on campus. The state legislature has budgeted just enough money for one parking structure on campus. The administrators have determined that the parking garage will be built either by the college of engineering or by the college of business. To help make the final decision, the university has
Randomly and independently asked students from each of the two colleges to estimate how long they usually take to find a parking spot on campus (in minutes) . Suppose that the sample sizes selected by the university for the two samples were both ne = nb= 15. What critical value should be used by the university in the calculations for the 95% confidence interval for µe - µb? Assume that the university used the pooled estimate of the population variances in the calculation of the
Confidence interval.

• A) \(t = 2.048\)
• B) \(t = 1.701\)
• C) \(t = 2.042\)
• D) \(z = 1.645\)
• E) \(z = 1.96\)

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Definitions:

Many People

A term used to describe a large group of individuals or the general population.

Insufficient Number

A quantity that is not enough or inadequate to meet a requirement or fill a need.

Informational Constraint

Limitations or restrictions on the availability or flow of information.

Adequate Size

Refers to dimensions that are sufficient for a specific purpose or need.