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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
Explain the meaning of the term Frequency.
Find the class marks of classes 10 – 25 and 35 – 55.
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?
If the median of `x/5, x/4, x/2, x and x/3`, where x > 0, is 8, find the value of x.
| HINT | Arranging the observations in ascending order, we have `x/5, x/4, x/3, x/2, x` Median `= x/3 = 8.` |
Find the class marks of classes 10−25 and 35−55.
Which of the following is not a measure of central tendency?
Explain the meaning of the following terms: True Class Limits
The times, in seconds, taken by 150 athletes to run a 110 m hurdle race are tabulated below:
| Class | Frequency |
| 13.8 - 14 | 3 |
| 14 - 14.2 | 4 |
| 14.2 - 14.4 | 6 |
| 14.4 - 14.6 | 69 |
| 14.6 - 14.8 | 48 |
| 14.8 - 15.0 | 20 |
The number of athletes who completed the race in less than 14.6 seconds is?
Class mark of a class is obtained by using ______.
Find the range of given data: 46, 35, 78, 90, 20, 56, 45, 76.
