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- 2011-5-23
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An analyst determines that approximately 99 percent of the observations of daily sales for a company are within the intervals from $230,000 to $480,000 and that daily sales for the company are normally distributed. The standard deviation of daily sales for the company is closest to:
A. 41,667
B. 62,500
C. 83,333 |
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发表于 2011-7-11 18:38
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