Asked by ram
the iq score of employee in a firm follow a normal distribution. if the mean is 90 and standard deviation is 13. what percentage of score lies between 64 and 116?
Answers
Answered by
Steve
(90-64)/13 = -2 std
(116-90)/13 = +2 std
Now check your Z table.
(116-90)/13 = +2 std
Now check your Z table.
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