Scores on a certain test are normally distributed with a mean of 78 and a standard deviation of 10. Find:

Question

the percentage of test scores that are below 78
the percentage of test scores that are between 78 and 100
below 78: 50.0%
between 78 and 100: 1.4%
below 78: 1.4%
between 78 and 100: 50.0%
below 78: 50.0%
between 78 and 100: 48.6%
below 78: 50.0%
between 78 and 100: 1.4%
below 78: 98.6%
between 78 and 100: 50.0%

Answer 1

Below 78: 50.0%
Between 78 and 100: 34.1%