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Theowner of a coffee shop has found that the amount spent by customers at the shop is normally distributed with a mean of $6.80 and
- Theowner of a coffee shop has found that the amount spent by customers at the shop is normally distributed with a mean of $6.80 and a standard deviation of $1.20.If a random sample of 25 customers is selected, what is the probability that the average amount spent by this sample of customers will be between $6.50 and $7.40?
- 0.9938
- 0.8944
- 0.8882
- 0.1056
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The Macro Economy Today
Authors: Bradley R. Schiller, Karen Gebhardt
14th edition
1259291820, 978-1259291821
