The mean score of a placement exam for entrance into a math class is 80, with a standard deviation of 10. Use the empirical rul

Question

2 years ago

7

e to find the percentage of scores that lie between 60 and 80. (Assume the data set has a bell-shaped distribution.)

1 answer:

Sedbober [7] · Answer 1 · 2022-07-25T22:01:51+03:00

5 0

Answer:

47.5%

Step-by-step explanation:

The mean score of a placement exam for entrance into a math class is​ 80, with a standard deviation of 10. Use the empirical rul