Multiple Choice
A random sample of 100,000 credit sales in a department store showed an average sale of $87.25. From past data, it is known that the standard deviation of the population is $20.00. With a .95 probability, determine the margin of error.
A) .000392
B) 39.2
C) .124
D) .0276
Correct Answer:
Verified
Correct Answer:
Verified
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