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

question 12

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 that 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 observed chi-square value is _______.

• A)1.18
• B)9.10
• C)21.75
• D)4.51
• E)2.73

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Definitions:

Land Covered

The extent or area over which land use practices, such as agriculture or urban development, are applied.

Forests

Large areas covered predominantly with trees and undergrowth, playing crucial roles in the Earth's ecosystem and climate regulation.

Worldwide

Pertains to something that is present, considered, or affecting the entire globe or regions across the world.

Extraction Costs

The costs associated with removing raw materials from the earth or the environment.