After a number of complaints about its directory assistance, a telephone company examined samples of calls to determine the frequency of wrong numbers given to callers. Each sample consisted of 116 calls.
SAMPLE
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
Number of errors |
4 |
3 |
5 |
5 |
1 |
6 |
4 |
3 |
5 |
10 |
3 |
4 |
5 |
3 |
6 |
5 |
Determine 95 percent limits. (Do not round your intermediate calculations. Round your final answers to 3 decimal places.)