Suppose that the scores on a statewide standardized test are normally distributed with a mean of 65 and a standard deviation of 4. Estimate the percentage of scores that were a. between 53 and 77....

Suppose that the scores on a statewide standardized test are normally distributed with a mean of 65 and a standard deviation of 4. Estimate the percentage of scores that were

a. between 53 and 77.

______%

b. above 73.

______%

c. below 53.

______%

d. between 61 and 73.

______%