Boys Girls Sample Size 36 36 Sample Mean reading speed (in minutes) 11 12 Population Variance 3 2 ​ ​The p-value is   a. 0.156   b. 0.0037   c. 0.336   d. 0.238

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A: Denote μ1, μ2 as the true mean weekly expenses of Person P and W, respectively.

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