P1-PS-17

[yiyiyi]

In a certain board game, a stack of 48 cards, 8 of which represent shares of stock, are shuffled and then placed face down. If the first 2 cards selected do not represent shares of stock, what is the probability that the third card slected will represent a share of stock?

[Philosophia]

我把題目找全了，請問有人會這題嗎？謝謝！

17. 2311-!-item-!-187;#058&002635
In a certain board game, a stack of 48 cards, 8 of which represent shares of stock, are shuffled and then placed face down. If the first 2 cards selected do not represent shares of stock, what is the probability that the third card selected will represent a share of stock?

(A) 1/8
(B) 1/6
(C) 1/5
(D) 3/23
(E) 4/23

[Huang Hsin-Yi]

是e嗎? Yes

8/48-2

[Philosophia]

sorry, 我忘了把答案改成粗體~

答案是 E