SCENARIO 9-6 The Quality Control Engineer for a Furniture Manufacturer Is Interested

question 82

Multiple Choice

SCENARIO 9-6
The quality control engineer for a furniture manufacturer is interested in the mean amount of force necessary to produce cracks in stressed oak furniture.She performs a two-tail test of the null hypothesis that the mean for the stressed oak furniture is 650.The calculated value of the Z test statistic is a positive number that leads to a p-value of 0.080 for the test.
-Referring to Scenario 9-6,suppose the engineer had decided that the alternative hypothesis to test was that the mean was greater than 650.What would be the p-value of this one-tail test?

• A)0.040
• B)0.160
• C)0.840
• D)0.960

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Definitions:

Night Terrors

Sudden episodes of fear that occur during sleep, typically affecting children.

REM Sleep

A stage of sleep characterized by rapid eye movements, during which dreaming and increased brain activity occur, vital for cognitive functions like memory.

Non-REM Sleep

A period of sleep that excludes rapid eye movement (REM) sleep, characterized by slower brain waves, and divided into three stages of deepening sleep.

Narcolepsy

An ongoing sleep disturbance featuring overbearing drowsiness during daylight hours and unexpected sleep onset.