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Suppose you have a set of scores that are normally distributed with a mean equal to 90. The standard deviation for the scores is 15.

Suppose you have a set of scores that are normally distributed with a mean equal to 90. The standard deviation for the scores is 15. If a score in the distribution is equal to 75, then the z for this score is

+1.00

-1.00 0.68

-2.00

none of the above

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