Question 422716: How do I do a Tree Diagram for the following solution
A city council consists of 7 males and 4 females. Two counsilors are selected at random to represent the city at an Elton John concert. what is the probability that
A. both councilors are male?
B. one councilor is a male and one a female?
C. at least one councilor is a female?
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! How do I do a Tree Diagram for the following solution
A city council consists of 7 males and 4 females. Two counselors are selected at random to represent the city at an Elton John concert. what is the probability that
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Sample space: mm,mf,fm,ff
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A. both councelors are male? 7C2/11C2 = 0.3818
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B. one councelor is a male and one a female? = 7*4)/11C2 = 28/55
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C. at least one councelor is a female? 1-0.3818 = 0.6182
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Cheers,
Stan H.
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