Mathematics, 29.09.2019 03:30 cameronbeaugh
Scores on the gre (graduate record examination) are normally distributed with a mean of 513 and a standard deviation of 82. use the 68-95-99.7 rule to find the percentage of people taking the test who score between 513 and 759. the percentage of people taking the test who score between 513 and 759 is %
Answers: 2
) and the mean plus 3 times the standard deviation. It is 3 times since the distance between the values given (513 and 759) divided by the standard deviation is 3 (
)
and 
, as it is a normal distribution half of 99.7% is between 
and 
. Hence 49.85% of people score between 513 and 759.Another question on Mathematics
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Scores on the gre (graduate record examination) are normally distributed with a mean of 513 and a st...
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