[計量] PP1-PS-17
17.
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< 分數>
B.1/6
C.1/5
D.3/23
E.4/23
有哪位同學可以解答一下嗎 這題好像沒人問ㄟ
是太簡單嗎 我覺得很難 謝謝啦
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11/11 22:16, , 1F
11/11 22:16, 1F
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