Frequency table results for defects:
| defects |
Frequency |
Relative Frequency |
| 0 |
29 |
0.116 |
| 1 |
71 |
0.284 |
| 2 |
53 |
0.212 |
| 3 |
34 |
0.136 |
| 4 |
30 |
0.12 |
| 5 |
26 |
0.104 |
| 6 |
7 |
0.028
|
What proportion of the screens have at most 4 defects? Give your answer to three decimal places.
What proportion of the screens have at least 4 defects? Give your answer to three decimal places.