SOLUTION: The mean and standard deviation of exam score are 49% and 9% respectively.Assuming that examintion are normally distributed,calculate the probability of score:
A.less than 50%
B.
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Question 1021892: The mean and standard deviation of exam score are 49% and 9% respectively.Assuming that examintion are normally distributed,calculate the probability of score:
A.less than 50%
B.more than 45%
C.between 52% and 63%
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Use the z score,
A.
B.
C.
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