SCENARIO 9-6 the Quality Control Engineer for a Furniture Manufacturer

question 131

Multiple Choice

SCENARIO 9-6 The quality control engineer for a furniture manufacturer is interested in the mean amount of force in pounds 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 pounds.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 less than 650 pounds.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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