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प्रश्न
Can the experimental probability of an event be a negative number? If not, why?
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उत्तर
No, since the number of trials in which the event can happen cannot be negative and the total number of trials is always positive.
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संबंधित प्रश्न
What secondary data?
Explain the meaning of the term Variable.
Explain the meaning of the term Class-size.
Define cumulative frequency distribution.
Find the mean, median and mode of the following data:
| Class | 0 – 50 | 50 – 100 | 100 – 150 | 150 – 200 | 200 – 250 | 250 – 300 | 300 - 350 |
| Frequency | 2 | 3 | 5 | 6 | 5 | 3 | 1 |
In a frequency distribution table with 12 classes, the class-width is 2.5 and the lowest class boundary is 8.1, then what is the upper class boundary of the highest class?
Explain the meaning of the following terms: Variate
Explain the meaning of the following terms: Class mark
The monthly pocket money of ten friends is given below :
₹ 80, ₹ 65, ₹ 35, ₹ 65, ₹ 50, ₹ 30, ₹ 60, ₹ 35, ₹ 65, ₹ 30
What is the highest pocket money?
The time, in seconds, taken by 150 athletes to run a 100 m hurdle race are tabulated below:
| Time (sec.) | 13 – 14 | 14 – 15 | 15 – 16 | 16 – 17 | 17 – 18 | 18 – 19 |
| Number of Athletes | 2 | 4 | 5 | 71 | 48 | 20 |
The number of athletes who completed the race in less than 17 seconds is:
