The Average Sales Per Customer at a Home Improvement Store

question 19

Multiple Choice

The average sales per customer at a home improvement store during the past year is $75 with a standard deviation of $12.The probability that the average sales per customer from a sample of 36 customers,taken at random from this population,exceeds $78 is:

• A) 0.4332.
• B) 0.0668.
• C) 0.0987.
• D) 0.9013.
• E) 0.5000

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Definitions:

Personal Hygiene

The practice of maintaining cleanliness and grooming of the body to promote health and wellbeing.

Anhedonia

The loss of interest in and inability to gain pleasure from most activities, a symptom often associated with depression.

Alogia

A reduction in the amount or content of speech, often seen in schizophrenia, marked by brief and unelaborated responses.