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Get Answers to all your Questions
Given below is the frequency distribution table regarding the concentration of sulphur dioxide in the air in parts per million of a certain city for 30 days.
| Concentration of Sulphur Dioxide | Number of Days |
| 0.00 - 0.04 | 4 |
| 0.04 - 0.08 | 9 |
| 0.08 - 0.12 | 9 |
| 0.12 - 0.16 | 2 |
| 0.16 - 0.20 | 4 |
| 0.20 - 0.24 | 2 |
| Total | 30 |
Find the probability of concentration of sulphur dioxide in the interval 0.12-0.16 on any of these days.
Answers (1)
Total no. of days =30
No. of days in which Conc. of sulfur dioxide in the interval 0.12 - 0.16 = 2
P(Conc. of sulphur dioxide in the interval 0.12 - 0.16) =2/30
Ans: 1/15
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