SOLUTION: a set of data is normally distributed with a mean of 1000 and standard deviation of 100. what would be the standard score for a score of 933? what percentage of scores is betwee

Algebra ->  Probability-and-statistics -> SOLUTION: a set of data is normally distributed with a mean of 1000 and standard deviation of 100. what would be the standard score for a score of 933? what percentage of scores is betwee      Log On


   

Question 609639: a set of data is normally distributed with a mean of 1000 and standard deviation of 100.
what would be the standard score for a score of 933?
what percentage of scores is between 1000 and 933?
what would be the percentile rank for a score of 933?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
a set of data is normally distributed with a mean of 1000 and standard deviation of 100.
what would be the standard score for a score of 933?
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z(933) = (933-1000)/100 = -67/100 = -0.67
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what percentage of scores is between 1000 and 933?
z(1000 + 0
So, P(933< = x <=1000) = P(-0.67<= z <=0) = 0.2486
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what would be the percentile rank for a score of 933?
Percentile rank = 24%ile
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Cheers,
Stan H.
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