Question

Scores on a certain test are normally distributed with a mean of 77 and a standard deviation of 6. Find:
the percentage of test scores that are below 63
the percentage of test scores that are between 63 and 70
below 63: 11.2%
between 63 and 70: 87.8%
below 63: 99.0%
between 63 and 70: 12.2%
below 63: 87.8%
between 63 and 70: 11.2%
below 63: 87.8%
between 63 and 70: 1.0%
below 63: 1.0%
between 63 and 70: 11.2%

Answer 1

Below 63: 11.2%
Between 63 and 70: 87.8%