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31 August, 12:44

A drawer contains 11 identical red socks and 8 identical black socks. Suppose that you choose 2 socks at random in the dark, what is the probability of getting a pair of red socks

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  1. 31 August, 12:59
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    The probability of getting a pair of red socks is 0.322

    Step-by-step explanation:

    According to the given data we have that A drawer contains 11 identical red socks and 8 identical black socks, hence, the total number of socks is 19, therefore, in order to calculate the probability of getting a pair of red socks we would have to use the following formula:

    probability of getting a pair of red socks=11C2/19C2

    probability of getting a pair of red socks=55/171

    probability of getting a pair of red socks=0.322

    The probability of getting a pair of red socks is 0.322
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