There are 15 juniors and 10 seniors in a class. What is the probability that if two students are selected at random that they are both senio

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There are 15 juniors and 10 seniors in a class. What is the probability that if two students are selected at random that they are both seniors?

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Ngọc Diệp 4 years 2021-08-06T04:03:32+00:00 1 Answers 20 views 0

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    2021-08-06T04:05:31+00:00

    Answer:

    2/25?

    Step-by-step explanation:

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