A Coffee-Dispensing Machine Is Supposed to Deliver 8 Ounces of Liquid

question 48

Multiple Choice

A coffee-dispensing machine is supposed to deliver 8 ounces of liquid into each paper cup, but a consumer believes that the actual mean amount is less.The consumer obtained a sample of 49 cups of the dispensed liquid with average of 7.75 ounces.If the sample variance of the dispensed liquid delivered per cup is 0.81 ounces, and α = 0.05, the appropriate decision is to ________.

• A)increase the sample size
• B)reduce the sample size
• C)fail to reject the 8-ounces claim
• D)maintain status quo
• E)reject the 8-ounces claim

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Definitions:

Production Workers

Production workers are employees involved in the manufacturing process or operations of producing goods and services.

Wages

Compensation provided to workers for their work or services, commonly determined by the hour, day, or by the piece.

Wage Rates

The amount of money received per hour, day, or another unit of time for labor services.

Nominal Wages

Wages that are paid to employees not adjusted for inflation, representing the dollar amount received.