PP-PS185

由 **max999** » 2008-03-02 13:22

If the probability that event S will not occur is 1 - y, then the probability that event S will occur is

(A) y^2 - 1
(B) y^2
(C) y/2
(D) y - 1
(E) y

answer: E

由 **sunnyblue13s** » 2008-03-03 11:34

max999 \$m[1]:If the probability that event S will not occur is 1 - y, then the probability that event S will occur is

(A) y^2 - 1
(B) y^2
(C) y/2
(D) y - 1
(E) y

answer: E

不發生的機率 1-y....則....發生的機率就是y

由 **max999** » 2008-03-03 14:04

謝謝sunnyblue13s ;))

PP-PS185

PP-PS185

Re: PP-PS185

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