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December 20, 2014

Homework Help: statistics/ please help ASAP

Posted by vedry frustrated please help and show work on Thursday, October 28, 2010 at 7:07pm.

a set of data is normally distributed with a mean of 500 and a standard deviation of 100.

a) what would the standard score fora score of 700 be?

b) what % of scores is between 500 and 700?

c) what would the percentile rank for a score of 700

*please show and answer all questions a-c. i have been trying to work out problems for hours now i am just frustrated and ready to cry. thank you.
mary

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