The 12 pair pack of socks includes 4 pairs of Polo, 5 pairs of plain white socks, and a few grey pairs. What is the Possibility of pulling a

Question

The 12 pair pack of socks includes 4 pairs of Polo, 5 pairs of plain white socks, and a few grey pairs. What is the Possibility of pulling a pair of grey sock two times in a row? The first pair is not to be returned.

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Hải Đăng 1 year 2021-08-31T01:56:08+00:00 1 Answers 3 views 0

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  1. thanhcong
    0
    2021-08-31T01:57:35+00:00
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    Answer:

    I assume that this is possible because there are only two pairs of grey socks

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )