ck 4.2
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A population has a mean
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Step 1 :A population has a mean of
Step 2 :The mean of the sampling distribution of sample means is equal to the mean of the population. Therefore,
Step 3 :The standard deviation of the sampling distribution of sample means is given by the formula
Step 4 :Substituting the given values into the formula, we get
Step 5 :Solving the above expression, we find that
Step 6 :Therefore, the mean and standard deviation of the sampling distribution of sample means with sample size
Step 7 :