A Manufacturer of a Chemical Used in Glue, Attempting to Control

question 60

Multiple Choice

A manufacturer of a chemical used in glue, attempting to control the amount of a hazardous chemical its workers are exposed to, has given instructions to halt production if the mean amount in the air exceeds 3.0ppm. A random sample of 50 air specimens produced the following statistics: sample mean = 3.1 ppm, sample standard deviation = 0.5 ppm. Assume measurements are normally distributed.
-The appropriate test statistic to test the hypotheses is _____.

• A)1.00
• B)-1.00
• C)2.80
• D)1.41
• E)-1.41

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Definitions:

Red Snapper

A species of fish commonly found in the Gulf of Mexico and the southeastern Atlantic coast of the United States, valued for its firm texture and mild flavor.

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A marketplace located near or by the seaside that specializes in selling fresh and diverse types of fish and seafood.

Laptops

Portable computers that are small and light enough to be used on one's lap, combining all the components and capabilities of a desktop computer.

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