Suppose that the scores of an exam with fifty thousand attendants have normal
distribution with the variance of 16, and 15.87% of the attendants have scores
less than 68 points. With the information of the Q-function below, you may use
interpolation to obtain the estimated value when necessary.
a.
What is the mean value of scores in this exam?
想請問板上的高手
mean的值要怎麼求...
謝謝QQ
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