A Suburban Realtor Is Studying Commuter Time in the Houston $\alpha$

question 53

Multiple Choice

A suburban realtor is studying commuter time in the Houston metropolitan area.She has been told the average weekday travel time from a southern suburb at 8:00am is 45 minutes.For five months she counts the number of days that it takes her more than 45 minutes to arrive in downtown when she leaves her house at 8:00am.She expects the data are uniformly distributed across the five months.Her sample of observed data yields the following frequencies 9 days, 15 days, 8 days, 11 days, 12 days.Using $\alpha$ = .01, the critical chi-square value is _______.

• A)13.277
• B)15.086
• C)7.779
• D)11.070
• E)2.727

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Definitions:

Aviation

The design, development, production, operation, and use of aircraft, especially heavier-than-air aircraft, encompassing both commercial and military aspects.

Spingarn Medal

An award given annually by the NAACP since 1914 to African Americans of distinguished achievement.

NAACP

The National Association for the Advancement of Colored People, a civil rights organization established in 1909 to combat prejudice, lynching, and to promote racial justice and equality.

Jim Crow Military

Refers to the racial segregation policies that were enforced within the U.S. armed forces, paralleling the Jim Crow laws in civilian life.