What is the probability that a student chosen at random out of 3 girls and 4 boys is a
boy?

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Solution

no of students =7
no of boys = 4

probability = favorable outcome/total outcome

=4/7

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What is the probability that a student chosen at random out of 3 girls and 4 boys is a boy?

no of students =7 no of boys = 4 probability = favorable outcome/total outcome =4/7

What is the probability that a student chosen at random out of 3 girls and 4 boys is a
boy?

no of students =7
no of boys = 4

probability = favorable outcome/total outcome

=4/7