Question

The following table shows the party affiliation and member type for the 112th session of the...

The following table shows the party affiliation and member type for the 112th session of the U.S. Congress. Compute the following probabilities as exact fractions. Answer A through D below.

Senator Representative Total
Republican 47 241 288
Democrat 51 191 242
Independent 2 0 2
Total 100 432 532

A) What is the probability a randomly selected member of the 112th Congress is NOT a democrat?

B) What is the probability that a randomly selected member of the 112th Congress is an Independent Representative?

C) What is the probability that a randomly selected Republican is a Senator?

D) What is the probability that a randomly selected member of the 112th Congress is a Democrat, given that they are a Representative?

Math   Statistics-And-Probability   
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Answer #1

TOPIC: Use of the classical definition and the Conditional law of probability.

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