The table below shows political party affiliations of people in three age groups. Democrat Republican Independent Under 21 years of age 40 25 20 Between 21 and 40 35 20 30 Over 40 years of age 20 30 35 If one of the subjects is randomly selected, find the probability that the person is 21 or older.
The table below shows political party affiliations of people in three age groups. Democrat Republican Independent Under 21 years of age 40 25 20 Between 21 and 40 35 20 30 Over 40 years of age 20 30 35 If one of the subjects is randomly selected, find the probability that the person is 21 or older.
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Question
The table below shows political party affiliations of people in three age groups.
| Democrat | Republican | Independent | |
| Under 21 years of age | 40 | 25 | 20 |
| Between 21 and 40 | 35 | 20 | 30 |
| Over 40 years of age | 20 | 30 | 35 |
If one of the subjects is randomly selected, find the probability that the person is 21 or older.
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Given information-
We have given the table below shows political party affiliations of people in three age groups.
| Democrat | Republican | Independent | Total | |
| < 21 years | 40 | 25 | 20 | 85 |
| 21 to 40 years | 35 | 20 | 30 | 85 |
| > 40 years | 20 | 30 | 35 | 85 |
| Total | 95 | 75 | 85 | 255 |
We have to find the probability that the person is 21 or older.
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