A Manufacturer of Flash Drives for Data Storage Operates a Production

question 105

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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Definitions:

Polymorphism

The occurrence of something in multiple forms or variants, frequently used in genetics to describe the variation in DNA sequence among individuals.

Homologous Pairs

Pairs of chromosomes, one inherited from each parent, that contain the same genes at the same loci but may have different alleles.

Karyotypes

The complete set of chromosomes in an individual organism's cell, used for studying chromosome anomalies.

Genomes

The complete set of genes or genetic material present in a cell or organism.