[機經] 計量33 請教
33.
60% of employee has CPA, 40% of employee has CPA are male; and 80% of employee
are Male, Ask what is percentage for fmale has CPA?
cd上的討論帖是說答案should be 20%
可是有這麼容易嗎 直接60%-40%而已嗎？
也有一個機經主人說是28%
請教一下大家～
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