The number of hours spent per week on household chores by all adults has a mean...

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The number of hours spent per week on household chores by all adults has a mean of 26.0 hours and a standard deviation of 6.5

math Statistics-And-Probability

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26.O n- 57 p(-726.35) zl-P (X-시 , 2645-260 0. 8 60 0.1922 Standard Nime

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