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20 April, 08:41

Your drawer contains 10 red socks and 7 blue socks. It's to dark to see which are which, but you grab two anyway. What is the probability that you get one of each color?

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  1. 20 April, 09:23
    0
    00. 1°/. Because

    Red: 10/17*100=58. 8°/.

    Blue: 7/17*100=41. 1°/.

    Probability: 58. 8+41. 1=99. 9°/.

    100. 0-99. 9=00. 1°/.
  2. 20 April, 10:04
    0
    P (both red) = (10/17) (9/16)

    P (both blue) = (7/17) (6/16)

    P (both same) = sum of above 2 = (90+42) / (16*17) = 132 / (16*17) = 0.485

    coz both same means both blue or both red
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