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8.1 #97 A town council has 9 members: 5 Democrats and 4 Republicans. A 3-person zoning...

8.1 #97 A town council has 9 members: 5 Democrats and 4 Republicans. A 3-person zoning committee is selected at random. (A) What is the probability that all zoning committee members are Democrats? (B) What is the probability that a majority of zoning committee members are Democrats?

Math   Statistics-And-Probability   
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Answer #1

Part (A)

Probability that all zoning committee members are Democrats =

Part (B)

Majority of the zoning committee signifies 2 or more members,

Probability that a majority of zoning committee members are Democrats =


3 out of 5 democrats All council menbers

51 /4 2 out of 5 democrats 3 out of 5 democG All council members All council members = (D )

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