Question

A data set is normally distributed with a mean of 63 and a standard deviation of 10.4.

What percentage of the data is between 45 and 77?
Enter your answer as a number to the nearest whole percentage, like this: 42%

Answer 1

87%

Explanation:

The percentage of normally-distributed data between 45 and 77 in a data set with mean 63 and standard deviation 10.4 can be found by any of a number of calculators, apps, web sites, or spreadsheets.

The percentage is 87%.