Mathematics, 21.04.2020 19:39 sainijasdeep27
An accounting firm is planning for the next tax preparation season. From last years returns, the firm collects a systematic random sampling of 100 filings. These 100 filings showed an average preparation time of 90 minutes with a standard deviation of 140 minutes.
A) What is the standard error of the mean?
B) What is the probability that the mean completion time will be more than 120 minutes?
Answers: 1
Mathematics, 21.06.2019 16:40
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