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Assume that the heights of adult puffins are normally distributed, with a mean of μ =...

Assume that the heights of adult puffins are normally distributed, with a mean of μ = μ = 14.2 inches and a standard deviation of σ = σ = 2.8 inches. For a random sample of 67 puffins, answer the following:

What is the mean of the distribution of ¯ x ?

Correct What is the standard deviation of the distribution of ¯ x?

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