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

question 49

Multiple Choice

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:
-Referring to Scenario 9-1, what critical value should the manager use to determine the rejection
Region?

• A) 1.6794
• B) 1.3011
• C) 1.3006
• D) 0.6800