Register

The mean score of a placement exam for entrance into a math class is​ 80, with a standard deviation of 10. Use the empirical rule to find the percentage of scores that lie betwe…

The mean score of a placement exam for entrance into a math class is​ 80, with a standard deviation of 10. Use the empirical rule to find the percentage of scores that lie betwe…
23.8k views
2 votes
The mean score of a placement exam for entrance into a math class is​ 80, with a standard deviation of 10. Use the empirical rule to find the percentage of scores that lie between 60 and 80.​ (Assume the data set has a​ bell-shaped distribution.)

User Smttsp
by
8.2k points

1 Answer

2 votes

Answer:

47.5%

Explanation:

User Monsy
by
8.0k points
← Prev Question Next Question →

Related questions

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Link Copied!