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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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CTaustin CTaustin
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6 years ago
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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tgreen77tgreen77
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6 years ago
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CTaustin Author
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6 years ago
This calls for a celebration Person Raising Both Hands in Celebration
rhockeygirl
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Helped a lot
Shuqin
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Brilliant ツ
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