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Chapter 3: Q. 106 (page 227)

Use the information in the Table 3.19to answer the next eight exercises. The table shows the political party affiliation of each of 67members of the US Senate In June 2012. and when they are up freelection.

Suppose that a member of the US Senate is randomly selected. what is the probability that the senator Is up for reelection in November 2014, knowing that this senator is a Republican?

Short Answer

Expert verified

The probability of the reelection in November 2014 , where the senator is a Republican isP(R)=0.35.

Step by step solution

01

Given

The table shows the political party affiliation of each of 67members of the US Senate In June 2012. and when they are up freelection.

02

Calculation  

The total as:

The chance of reelection in November 2014 for a Republican senator is computed as :

Let the probability be R.

P(R)=n(R)n(S)n(R)=13;n(S)=37P(R)=1337=0.35

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