SAT scores have an average of 1200 with a standard deviation of 60. a. For a...

SAT scores have an average of 1200 with a standard deviation of 60.

a.	For a sample of 36, what is the probability that the sample mean will be within 5 points of the mean?
b.	For a sample of 36, what is the probability that the sample mean will be with 10 points of the mean?
c.	For a sample of 100, what is the probability that the sample mean will be within 5 points of the mean?
d.	For a sample of 100, what is the probability that the sample mean will be with 10 points of the mean?

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orchestra answered 1 year ago

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