Sampling distribution of the sample mean
If the standard deviation of the income of US households is $20k, what would be the sample size which the sampling error (the standard deviation of sampling distribution of the sample mean) is $2k?
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Determine the numbers of total electrons could you get in the ROW 9? A little confused on this question and even how to start it because it seems so simple but hard.
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State total cost of installation as function of x. (you may like select toanswer part (c) before part (b) if you would like to analyze concrete instances before creating equation.)
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