Answer:
As a fraction: 141/20. As a percentage: 705%
Step-by-step explanation:
Answer:
92.5
Step-by-step explanation:
1 is actually the mean of the group that did study is 92.5
2 is the MAD 5.2.
3is there are ten scores that are within the one MAD of the mean.

Let

so that

. Then the integral becomes