Multiple Choice
An accounting firm is planning for the next tax preparation season. From last year's returns, the firm
Collects a systematic random sample of 100 filings. The 100 filings showed an average preparation
Time of 90 minutes with a standard deviation of 140 minutes.
What is the probability of finding a sample mean less than 80 minutes?
A) 0.7143
B) 0.7625
C) 0.2375
D) 0.0180
Correct Answer:
Verified
Correct Answer:
Verified
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