Test Hypotheses About a Population Proportion
-An Airline Claims That $5 \%$

question 59

Short Answer

Test Hypotheses about a Population Proportion
-An airline claims that the no-show rate for passengers is less than $5 \%$ . In a sample of 420 randomly selected reservations, 19 were no-shows. At $\alpha = 0.01$ , test the airline's claim.

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Definitions:

Contribution Margin

The contribution margin is the difference between total sales revenue and total variable costs, indicating how much revenue contributes towards covering fixed costs and profit generation.

Underutilising

Refers to the scenario where resources are not being used to their full potential or capacity, often leading to inefficiency or wastage.

Variable Overhead Efficiency Variance

A metric used to measure the difference between the actual variable overhead cost and the standard cost of the actual production volume.

Cost Driver

A factor that causes a change in the cost of an activity.