SOLUTION: 10 girls are in a class. 3 have blue eyes. If 2 girls are chosen at random, what is the probability that: a) they both have blue eyes b)neither have blue eyes c) at least one has b

Question 912984: 10 girls are in a class. 3 have blue eyes. If 2 girls are chosen at random, what is the probability that: a) they both have blue eyes b)neither have blue eyes c) at least one has blue eyes. I know the answers (they are provided) I just don't know how to GET to the answer...
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
10 girls: 3B, 7(not blue)
choose 2
a) P(both) = 0r = 1/15
b) P(neither) = 0r = = 7/15
c) P(at least 1) = 1 - P(none) = 1 - (b) = 1- 7/15
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