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A company selected 2400 families at ran...

A company selected 2400 families at random and survey them to determine a relationship between income level and the number of vehicles in a home. The information gathered is listed in the table below: Monthly income (in Rs.) Vehicles per family     0 1 2 Above 2 Less than 7000 10 160 25 0 7000-10000 0 305 27 2 10000-13000 1 535 29 1 13000-16000 2 469 29 25 16000 or more 1 579 82 88 If a family is chosen, find the probability that the family is: earning Rs. 10000-13000 per month and owning exactly 2 vehicles. earning Rs. 16000 or more per month and owning exactly 1 vehicles. Earning less than Rs. 7000 per month and does not own any vehicle. Earning Rs. 13000-16000 per month and owning more than 2 vehicle. owning not more than 1 vehicle owning at least one vehicle.

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A company selected 2400 families at random and survey them to determine a relationship between income level and the number of vehicles in a home. The information gathered is listed in the table below: If a family is chosen, find the probability that the family is: (i) earning Rs.10000-13000 per month and owning exactly 2 vehicles. (ii) earning Rs. 16000 or more per month and owning exactly 1 vehicle (iii) Earning less than Rs. 7000 per month and does not own any vehicle. (iv) earning Rs.13000-16000 per month and owning more than 2 vehicle. (v) owning not more than 1 vehicle. (vi) owning at least one vehicle.

An organisation selected 2400 families at random and surveyed them to determine relationship between income level and the number of vechicles in a family. The information gathered is listed in the table below: Suppose a family is chosen. Find the probability that the family chosen is : (i) earning Rs. 10000-13000 per month and owning exactly 2 vehicles. (ii) earning Rs. 16000 or more per month and owning exactly 1 vehicle. (iii) earning less than Rs. 7000 per month and does not own any vehicle.

Let 40% of employees earn more than Rs. 18000 per month. Then to find the percentage of employees earn less than or equal to Rs. 18000 you have to calculate which percentile?

Find the interest and the amount on : Rs. 2,600 in 2 years 3 months at 1% per month.

The ratio of the income to the expenditure of a family is 7: 6. Find the saving if the income is Rs 1400.

The ratio of the income to the expenditure of a family is 7: 6. Find the saving if the income is Rs 1400.

A determinant is chosen at random from the set of all determinant of order 2 with elements 0 or 1 only. Find the probability that the determinant chosen is nonzero.

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Income of Rahim is Rs 25, 000 per month and that of suresh is Rs 30, 000 per month. If the monthly expenditure of each of then is Rs 21,000 find the ratio of their savings .

Calculate the difference between the compound interest and the simple interest on Rs. 10,000 in two years and at 5% per year.

RD SHARMA ENGLISH-PROBABILITY-All Questions
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  2. Given below is the frequency distribution table regarding the conce...

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  3. A company selected 2400 families at random and survey them to determi...

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  4. The following table gives the life time of 400 neon lamps: Life t...

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  5. Given below is the frequency distribution of wages (in Rs.) of 30 w...

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  6. Define a trial.

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  7. Define an elementary event.

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  8. Define an event

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  9. Define probability of an event.

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  10. A bag contains 4 white balls and some red balls. If the probability...

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  11. A die is thrown 200 times. If the probability of getting an even num...

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  12. Three coins are tossed simultaneously 200 times with the following ...

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  13. Two coins are tossed simultaneously. What is the probability of ge...

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  14. The probability of an impossible event is (a)1   (b) 0  (c) less t...

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  15. The probability of a certain event is (a)0       (b)  1     (c)  g...

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  16. The probability an event of a trial is (a)1      (b)  0    (c)  le...

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  17. Which of the following cannot be the probability of an event? 1/3 (...

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  18. Two coins are tossed simultaneously. The probability of getting atmo...

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  19. A coin is tossed 1000 times, if the probability of getting a tail is...

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  20. A dice is rolled 600 times and the occurrence of the outcomes 1, 2, ...

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