Solution-Sampling distribution for this population

A population is normally distributed with a mean of -25 and a standard deviation of 4.

a) What is the mean of the sampling distribution for this population?

b) If a sample of 10 participants is selected from this population, what is the standard error of the mean?

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Sampling distribution for this population : A population is normally distributed with a mean of -25 and a standard deviation of 4.

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Mean weight of the population of wallabies in region : Find a 99% confidence interval for the true mean weight of the population of wallabies in this region.

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