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2 students are chosen at random from a group of 120 students that has 60 boys and 60 girls. What is the probability that the students are either both boys or both girls
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Answered by
PsyDAG
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.
Both boys = 60/120 * 59/119 = ?
Same for both girls.
Either-or probabilities are found by adding the individual probabilities.
Both boys = 60/120 * 59/119 = ?
Same for both girls.
Either-or probabilities are found by adding the individual probabilities.
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