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

question 114

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 16 cups of the dispensed liquid with sample mean of 7.75 ounces and sample variance of 0.81 ounces.If the dispensed liquid delivered per cup is normally distributed, the appropriate decision at α = 0.05 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:

Standard Precautions

A set of infection control practices used to prevent transmission of diseases that can be acquired by contact with blood, body fluids, non-intact skin, and mucous membranes.

Urinary Catheter Bag

A device used to collect urine from a urinary catheter.

Oral Care

The practice of keeping the mouth, teeth, and gums clean and healthy to prevent disease.

Surgical Mask

A medical device worn over the mouth and nose to prevent the spread of infectious agents during surgical procedures and patient care.