SOLUTION: The scores on an exam are normally distributed, with a mean of 77 and a standard deviation of 10. What percent of the scores are greater than 87? * 68% * 16% * 8

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Question 307905: The scores on an exam are normally distributed, with a mean of 77 and a standard deviation of 10. What percent of the scores are greater than 87?
* 68%
* 16%
* 84%
* 2.5%
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
this is the portion with a z-score greater than one (more than one standard deviation above the mean)

this is found in a z-score table ___ .16 or 16%