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In a second grade class containing 13 girls and 9 boys, 2 students are selected at random to give ou...
10 months ago
Q:
In a second grade class containing 13 girls and 9 boys, 2 students are selected at random to give out the math papers. What is the probability that the second student chosen is a boy, given that the first one was a girl?
Accepted Solution
A:
13/22 x 9/21 = 0.25