A set of 5,000 on a college readiness exam are known to be approximately normally distributed with mean 72 and standard deviation 6. To the nearest integer value how many scores are there between 63 and 75?
1 Answer
May 12, 2016
Number of scores between 63 and 75
Explanation:
number in the set
mean
standard deviation
To compute for the probability
The actual class limits of 63 to 75 is 62.5 to 75.5
Compute now the probability
Compute the number of scores between 63 and 75
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