statisticsnormal distribution
posted by mary can someone please solve,lost .
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?

statisticsnormal distribution 
mary can someone please solve,lost
please show calculations for ac. want to compare calculations. thank you.
mary 
statisticsnormal distribution 
tia fox
Suppose that IQ scores have a bellshaped distribution with a mean of 96 and a standard deviation of 17. Using the empirical rule, what percentage of IQ scores are between 79 and 113?
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