A radio is tuned to one of the radio stations in the United
A radio is tuned to one of the radio stations in the United States. What is the probability that the radio station is an \"oldies station? What is the probability that it is a \"country\" station? A quiz consists of ten true or false questions. Each question is answered true or false. In how many ways can this be done How many two-person teams can be chosen from eight tennis players?
Solution
12.
Consider the table:
a)
P(oldies) = 934/8153 = 0.114559058
b)
P(country) = 2577/8153 = 0.316079971
13.
There are 2 ways to answer each question.
hence, there are 2^10 = 1024 ways to do this. [answer]
14.
There are 8C2 = 28 teams [answer]
| Category | Frequency |
| C | 2577 |
| BR | 2399 |
| R | 1338 |
| O | 934 |
| T | 905 |
| Total | 8153 |
