Asked by Tami
The mean score on a normally distributed exam is 42 with a standard deviation of 12.1. Which socre would be expected to occur less than 5% of the time?
1) 25
2) 32
3) 60
4) 67
-I know the answer is 67, but i don't know why .. PLEASE help!
1) 25
2) 32
3) 60
4) 67
-I know the answer is 67, but i don't know why .. PLEASE help!
Answers
Answered by
bobpursley
is 67 outside two standard deviations?
Answered by
Tami
Im not sure , but say if it was... can u explain it to me?
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