TABLE 9-6 The Quality Control Engineer for a Furniture Manufacturer Is Interested

question 32

Multiple Choice

TABLE 9-6
The quality control engineer for a furniture manufacturer is interested in the mean amount of force 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. 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 Table 9-6, suppose the engineer had decided that the alternative hypothesis to test was that the mean was less than 650. 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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Definitions:

Pre mRNA

The initial, unmodified RNA transcript produced during gene transcription, prior to processing into mRNA.

Inducible Genes

Genes whose expression is either initiated or increased in response to specific stimuli.

Repressor

A protein that binds to specific DNA sequences, preventing the transcription of certain genes and thereby controlling gene expression.

Promoter

A region of DNA that initiates transcription of a particular gene, typically located near the transcription start sites of genes.