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10-05-2019
Mathematics

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If he randomly chooses two students, one at a time, what is the probability that they are both girls?

If he randomly chooses two students one at a time what is the probability that they are both girls class=

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sqdancefan sqdancefan

10-05-2019

Answer:

B) 15/91

Step-by-step explanation:

Probability of a girl as first choice is ...

number of girls / total number of students = 6/14 = 3/7

Probability of a girl as second choice (given a girl as first choice) is ...

number of girls / remaining number of students = 5/13

Then the probability of the two events is the product of their individual probabilities:

(3/7)·(5/13) = 15/91 . . . . . matches choice B

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