A Manufacturer of Flash Drives for Data Storage Operates a Production

question 20

Multiple Choice

A manufacturer of flash drives for data storage operates a production facility that runs on three 8-hour shifts per day.The following contingency table shows the number of flash drives that were defective and not defective from each shift. Based on the critical value approach and using α = 0.05,which of the following decisions and conclusions for this hypothesis test would be accurate?

• A) The test statistic is greater than the critical value;we reject the null hypothesis and cannot conclude that the quality of the flash drive production and the production shift are independent of one another.
• B) The test statistic is greater than the critical value;we fail to reject the null hypothesis and can conclude that the quality of the flash drive production and the production shift are independent of one another.
• C) The test statistic is less than the critical value;we fail to reject the null hypothesis and cannot conclude that the quality of the flash drive production and the production shift are not independent of one another.
• D) The test statistic is less than the critical value;we reject the null hypothesis and cannot conclude that the quality of the flash drive production and the production shift are independent of one another.

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