Olga flips 2 fair coins. What is the probability of obtaining a different result on each coin?

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Olga flips 2 fair coins.
What is the probability of obtaining a different result on each coin?

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Thu Hương 5 months 2021-08-12T14:07:16+00:00 1 Answers 75 views 0

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    2021-08-12T14:09:12+00:00

    2/4 ……………. de

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