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23 October, 22:44

Johnny did a survey and discovered that 5 out of 32 students walk to school. if 3 students are randomly selected from johnny's school, without replacement, what is the probability that all 3 students walk to school?

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  1. 24 October, 01:46
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    The probability that all three students walk to school is given by (5/32) ^3 = (0.15625) ^3 = 0.003815

    Therefore, the probability that all 3 students walk to school is 0.003815 = 0.38%
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