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The following table presents the 100 senators of the 113th
Chapter 2, Problem 19E(choose chapter or problem)
The following table presents the 100 senators of the 113th U.S. Congress on January 3, 2013, classified by political party affiliation and gender.
A senator is selected at random from this group. Compute the following probabilities.
a. The senator is a male Republican.
b. The senator is a Democrat or a female.
c. The senator is a Republican.
d. The senator is not a Republican.
Questions & Answers
QUESTION:
The following table presents the 100 senators of the 113th U.S. Congress on January 3, 2013, classified by political party affiliation and gender.
A senator is selected at random from this group. Compute the following probabilities.
a. The senator is a male Republican.
b. The senator is a Democrat or a female.
c. The senator is a Republican.
d. The senator is not a Republican.
ANSWER:
Solution 19E
Step1 of 3:
We have table that presents 100 senators of the 113th U.S. congress on january 3, 2013, classified by political party affiliation and gender.
Male |
Female |
|
Democrat |
37 |
16 |
Republican |
41 |
4 |
Independent |
2 |
0 |
We need to find,
a).The probability that the senator is a male Republican.
b).The probability the senator is a Democrat or a female.
c).The probability the senator is a Republican.
d).The probability the senator is not a Republican.
Step2 of 3:
a).
We have
Male |
Female |
Row total |
|
Democrat |
37 |
16 |
53 |
Republican |
41 |
4 |