A Large University Is Interested in Learning About the Average $0.05$

question 128

Multiple Choice

A large university is interested in learning about the average time it takes students to drive to campus. The university sampled 238 students and asked each to provide the amount of time they spent traveling to campus. This variable, travel time, was then used conduct a test of hypothesis. The goal was to determine if the average travel time of all the university's students differed from 20 minutes. Find the large-sample rejection region for the test of interest to the college when using a level of significance of $0.05$ .

• A) Reject \(\mathrm { H } _ { 0 }\) if \(\mathrm { z } < - 1.96\).
• B) Reject \(\mathrm { H } _ { 0 }\) if \(\mathrm { z } < - 1.645\) or \(\mathrm { z } > 1.645\).
• C) Reject \(\mathrm { H } _ { 0 }\) if \(\mathrm { z } > 1.645\).
• D) Reject \(\mathrm { H } _ { 0 }\) if \(\mathrm { z } < - 1.96\) or \(\mathrm { z } > 1.96\).

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Definitions:

Buying Center

A collection of people in a company who take part in the process of deciding to buy goods or services.

Buying Center

A group of individuals within an organization who participate in the purchasing decision process, each with unique responsibilities and preferences.

VOIP Telephone Calls

Voice Over Internet Protocol calls, which use the internet for telecommunication, allowing for voice and video calls without the need for traditional phone lines.

Consensus Buying Center

A buying center in which all members of the team must reach a collective agreement that they can support a particular purchase.