SOLUTION: Given a normal distribution or raw scores on an exam in which the mean =80 and sigma=7.5, determine the following: A) What is the percent of respondents who scored 60 or less.

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Question 744392: Given a normal distribution or raw scores on an exam in which the mean =80 and sigma=7.5, determine the following:
A) What is the percent of respondents who scored 60 or less.
The probability of locating a respondent who scored 60 or less.
The percent of respondents who scored between 80 and 90.
The probability of locating a respondent who scored between 80 and 90
The percent of respondents who scored 85 or more
Answer by Tokuko(1) About Me  (Show Source):
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a. 38%
b. .38
c. 40.82%
d. .41
e. 25.14%