SOLUTION: In a class consisting of 5 females and 10 males, two students are selected to present a homework paper. What is the probability that both will be female?
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Question 764215: In a class consisting of 5 females and 10 males, two students are selected to present a homework paper. What is the probability that both will be female? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! In a class consisting of 5 females and 10 males, two students are selected to present a homework paper. What is the probability that both will be female?
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# of ways to select 2 females: 5C2 = 10
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# of random pairs:: 15C2 = (15*14)/(1*2) = 105
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P(pick 2 females) = 10/105 = 2/21
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Cheers,
Stan H.
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