History, 05.05.2020 01:40 Deascry

Mr. Parietti needs three students to help him with a science demonstration. His class has 18 girls and 12 boys.
He randomly chooses one student who comes to the front of the room. He then chooses a second student from
those still seated. What is the probability that he chooses 2 girls followed by a boy? Express your answer as a
fraction in simplest form.
P(girl and girl and boy) =

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