QUESTION 27

A population has a mean =76 and a standard deviation =7. Find the mean and standard deviation of a sampling distribution of sample means with sample size n=49.

x=______ (SIMPLIFY YOUR ANSWER)

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QUESTION 10

Find the indicated area under the standard normal curve.

The total area to the left of z=1.42 and to the right of z=1.42 under the standard normal curve is ______

(ROUND TO FOUR DECIMAL PLACES AS NEEDED.)