Here is an extract from a mortality table.
Age (in years) Number of persons surviving out of a sample of one million $60$ $16090$ $61$ $11490$ $62$ $8012$ $63$ $5448$ $64$ $3607$ $65$ $2320$
What is the probability that a person aged $61$ will live for $4$ years?
| Age (in years) | Number of persons surviving out of a sample of one million |
| $60$ | $16090$ |
| $61$ | $11490$ |
| $62$ | $8012$ |
| $63$ | $5448$ |
| $64$ | $3607$ |
| $65$ | $2320$ |
What is the probability that a person aged $61$ will live for $4$ years?
- A$\frac{232}{1100}$
- B$\frac{2320}{1149}$
- C$\frac{232}{11490}$
- D$\frac{232}{1149}$
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The marks obtained by a student in five tests are as follows:
Test Number Marks obtained $1$ $62$ $2$ $72$ $3$ $78$ $4$ $91$ $5$ $85$
If one of the tests is chosen at random,find the probability that the student scored $(1)$ more than $90$ marks and $(2)$ between $70$ and $80$ marks in that test.
| Test Number | Marks obtained |
| $1$ | $62$ |
| $2$ | $72$ |
| $3$ | $78$ |
| $4$ | $91$ |
| $5$ | $85$ |
If one of the tests is chosen at random,find the probability that the student scored $(1)$ more than $90$ marks and $(2)$ between $70$ and $80$ marks in that test.
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Find the probability that the vehicle passing through the temple is a two-wheeler.
| Vehicle type | Two-wheelers | Three-wheelers | Four-wheelers |
| Frequency | $90$ | $35$ | $25$ |
Find the probability that the vehicle passing through the temple is a two-wheeler.
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View SolutionIn a survey of $364$ children aged $19-36$ months,it was found that $91$ liked to eat potato chips. If a child is selected at random,the probability that he/she does not like to eat potato chips is:
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Monthly income (in Rs) $0$ Televisions $1$ Television $2$ Televisions Above $2$ Televisions $< 10000$ $20$ $80$ $10$ $0$ $10000-14999$ $10$ $240$ $60$ $0$ $15000-19999$ $0$ $380$ $120$ $30$ $20000-24999$ $0$ $520$ $370$ $80$ $25000$ and above $0$ $1100$ $760$ $220$
Find the probability of a household earning $Rs. 25000$ and more per month and owning $2$ televisions.
| Monthly income (in Rs) | $0$ Televisions | $1$ Television | $2$ Televisions | Above $2$ Televisions |
| $< 10000$ | $20$ | $80$ | $10$ | $0$ |
| $10000-14999$ | $10$ | $240$ | $60$ | $0$ |
| $15000-19999$ | $0$ | $380$ | $120$ | $30$ |
| $20000-24999$ | $0$ | $520$ | $370$ | $80$ |
| $25000$ and above | $0$ | $1100$ | $760$ | $220$ |
Find the probability of a household earning $Rs. 25000$ and more per month and owning $2$ televisions.
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View Solution$A$ die is thrown $1000$ times and the outcomes were recorded as follows:
Outcome $1$ $2$ $3$ $4$ $5$ $6$ Frequency $180$ $150$ $160$ $170$ $150$ $190$
If the die is thrown once more,then the probability that it shows $5$ is:
| Outcome | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ |
| Frequency | $180$ | $150$ | $160$ | $170$ | $150$ | $190$ |
If the die is thrown once more,then the probability that it shows $5$ is:
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