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You have 6 books on your shelf. You notice that 3 of them have red covers, and 3 of them have blue covers.

If you choose 2 books from your shelf at random, what is the probability that 1 will have a red cover and 1 will have a blue cover?

Enter your answer as a fraction in simplest form, using the / symbol, like this: 42/53

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Answers (2)
  1. 4 May, 20:21
    0
    P=number of favorable cases/number of posible cases

    the probability that 1 will have a red cover - 3/6=1/2

    the probability that 1 will have a blue cover - 3/6=1/2

    Do you understand?
  2. 4 May, 20:30
    0
    Probability means chances of coming of our favourable outcome / total no. of outcomes

    total books=6

    Red cover books=3

    Blue cover books=3

    Probability of red cover = 3/6=1/2

    Similarly probability of blue cover book=3/6=1/2
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