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प्रश्न
Can the experimental probability of an event be greater than 1? Justify your answer.
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उत्तर
No, since the number of trials in which the event can happen cannot be greater than the total number of trials.
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संबंधित प्रश्न
Describe some fundamental characteristics of statistics.
The following table gives the daily income of 50 workers of a factory:
| Daily income (in Rs) | 100 – 120 | 120 – 140 | 140 – 160 | 160 – 180 | 180 – 200 |
| No. of workers | 12 | 14 | 8 | 6 | 10 |
Find the mean, median and mode of the above data.
While calculating the mean of a given data by the assumed-mean method, the following values were obtained.
`A = 25, sum f_i d_i = 110, sum f_i = 50`.
Find the mean.
The observation 29, 32, 48, 50, x, x + 2, 72, 78, 84, 95 are arranged in ascending order. What is the value of x if the median of the data is 63?
Define primary data and secondary data.
Explain the meaning of the following terms: Frequency
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?
In the expression \[ \sum\limits_{i=1}^{N} x_i \], what does \[ i=1 \] below \[ \Sigma \] indicate?
The mode is best defined as:
A friend identifies the pocket-money amount that most students receive. Which measure is found?
