# 3. Let X denote daily work hours. Suppose that for the sample of workers you have,the average daily work hours are 8 hours, with a standard deviation of 5. Supposenow let Z denote weekly work hours, find the mean and standard deviation for Z(assuming everyone works 5 days per week in your sample)

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33 views help_outlineImage Transcriptionclose3. Let X denote daily work hours. Suppose that for the sample of workers you have, the average daily work hours are 8 hours, with a standard deviation of 5. Suppose now let Z denote weekly work hours, find the mean and standard deviation for Z (assuming everyone works 5 days per week in your sample) fullscreen
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Step 1

The mean and standard deviation for Z is,

By using Central Limit Theorem, th...

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