Ask a New Question

Question

A set of 500 exam scores is normally distributed with a mean = 74 and standard deviation = 5.

Use the Empirical Rule to complete the statements below.
a. How many students scored higher than 74? ____
b. How many students scored higher than 69?____
3 years ago

Answers

Anonymous
Once again look for
David Lane Normal Distribution
with Google or other search tool
3 years ago

Related Questions

The scores on an exam are normally distributed, with a mean of 77 and a standard deviation of 10. Wh... It is known that an exam scores of students in STAT 2507 follow a normal distribution with a mean o... Scores on a certain exam are normally distributed with a mean of 78 and a variance of 25. What is th... Scores on a marketing exam are known to be normally distribute with mean and standard deviation of 6... Juan’s first 3 exam scores are 85, 93, and 87. What does he need to score on his next exam to avera... Distribution of exam 2 scores is unimodal and symmetric with a mean of 78 and a standard deviation o... The following are Exam scores for a group of Mathematics students. a) Group this data by using the... Scores on an exam are normally distributed with a mean of 76 and a standard deviation of 10. In a gr... The scores on an exam are normally distributed with a mean of 77 and a standard deviation of 10. Wha... Scores on an exam are normally distributed with a mean of 73.5 and standard deviation of 8.6. What...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use