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Suppose x has a distribution with a mean of 90 and a standard deviation of 21. Random samples of size n=36 are drawn Describe x

Suppose x has a distribution with a mean of 90 and a standard deviation of 21. Random samples of size n=36 are drawn

Describe x distribution

Compute the mean and standard deviation of the distribution u x= , o x=

Find the z value corresponding to x = 97 z=?

Find p(<97)=

Would it be unusual for a Random sample of size 36 from the x distribution to have sample mean less than 97?

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