4 freshman boys, 6 freshman girls, and 6 sophomore boys go on a trip. How many sophomore girls must join them if a student’s gender and clas

Question

4 freshman boys, 6 freshman girls, and 6 sophomore boys go on a trip. How many sophomore girls must join them if a student’s gender and class are to be independent when a student is selected at random?

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Vivian 4 days 2021-10-11T14:00:43+00:00 1 Answer 0

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    2021-10-11T14:02:41+00:00

    Answer:

    4 sophomore girls .

    Step-by-step explanation:

    If a student’s gender and class are to be independent when a student is selected at random, two conditions must be met:

    n° boys = n° girls

    n° freshmen = n° sophomore

    Currently, there are 10 boys and 6 girls, thus 4 girls must join.

    Currently, there are 10 freshmen and 6 sophomores, thus 4 sophomores must join.

    Therefore, 4 sophomore girls must join.

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