SCENARIO 9-1
Microsoft Excel was used on a set of data involving the number of defective items found in a random
sample of 46 cases of light bulbs produced during a morning shift at a plant.A manager wants to
know if the mean number of defective bulbs per case is greater than 20 during the morning shift.She
will make her decision using a test with a level of significance of 0.10.The following information
was extracted from the Microsoft Excel output for the sample of 46 cases:
-True or False: Referring to Scenario 9-1, the null hypothesis would be rejected if a 5% probability
of committing a Type I error is allowed.

Question

SCENARIO 9-1
Microsoft Excel was used on a set of data involving the number of defective items found in a random
sample of 46 cases of light bulbs produced during a morning shift at a plant.A manager wants to
know if the mean number of defective bulbs per case is greater than 20 during the morning shift.She
will make her decision using a test with a level of significance of 0.10.The following information
was extracted from the Microsoft Excel output for the sample of 46 cases: 
-True or False: Referring to Scenario 9-1, the null hypothesis would be rejected if a 5% probability
of committing a Type I error is allowed.

Quizplus · Accepted Answer

The null hypothesis would be rejected if a 5% probability of committing a Type I error is allowed because the p-value (0.04) is less than the significance level (0.05).

SCENARIO 9-1 Microsoft Excel Was Used on a Set of Data Involving