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

question 135

Multiple Choice

Instruction 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-tailed 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 Instruction 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-tailed test?

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

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