<PRE><B>Question 926087</B>
The test scores for a class are normally distributed. The average test score is 85 and the standard deviation is 10. What is the probability that a student scored 75 and 95 respectively? 
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The probability of ANY particular score is zero.
Maybe you are looking for the probability of the
score being BETWEEN 75 and 95.
Each of those is 1 standard deviation from the mean.
Using the Empirical Rule the answer would be 68%.
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Cheers,
Stan H.
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