Probability that the mean fare is between $20 and $23

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A market research study in one Canadian city showed that the mean fare charged by taxi drivers is $21 and the standard deviation is $3.5. A random sample of 15 fares has been selected.

What is the probability that the mean fare is between $20 and $23? Please type the solution and the answer. Use the formula editor to enter numeric values and formulas.

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Reference no: EM131152106

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