From a group of 8 people, 4 are randomly selected. What is the probability the 4 oldest people in the group were selected? Give your answer

Question

From a group of 8 people, 4 are randomly selected. What is the probability the 4 oldest people in the group were selected? Give your answer as a reduced fraction.

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Bella 3 weeks 2021-10-04T19:21:59+00:00 1 Answer 0

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    2021-10-04T19:23:44+00:00

    Answer:

    1/140

    Step-by-step explanation:

    8 People, 4 older, 4 younger

    We have to choose 4  oldest people in the group

    P(choosing 4 oldest) = \frac{4}{8} *\frac{3}{7} *\frac{2}{6} *\frac{1}{5} = \frac{12}{1680}  =\frac{1}{140}  

    Hope it will find you well.

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45:7+7-4:2-5:5*4+35:2 =? ( )