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The distances (in km) of 40 female engin...

The distances (in km) of 40 female engineers from their residence to their place of work were found as follows: 5 19 7 12 3 10 9 14 10 12 7 2 20 17 8 9 25 18 3 6 11 11 5 15 13 32 12 15 7 17 15 7 12 16 18 6 31 2 3 2 Find the probability that an engineer lives: (i) less than 7 km from her place of work? (ii) at least 7 km from her place of work? (iii) within `1/2` km from her place of work (iv) at most 15km from her place of work?

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The distances (in km) of 30 female engineers from their residence to their place of work were found as follows: 5 3 10 20 25 11 13 7 12 31 19 10 12 17 18 11 32 17 16 2 12 14 2 9 6 15 15 7 6 2 Find the probability that an engineer lives: (i) less than 7 km from her place of work? (ii) at least 7km from her place of work? (iii) within 1/2k m from her place of work? (iv) at most 15km from her place of work?

The distance (in km) of 40 engineers from their residence to their place of work were found as follows: "5 3 10 20 25 11 13 7 12 31 19 10 12 17 18 11 32 17 16 2 7 9 7 8 3 5 12 15 18 3 12 14 2 9 6 15 15 7 6 12" Construct a grouped frequency dist

Work out the following : 12/15-7/15

Calculate the mean deviation from the median of the following frequency distribution:5 7 9 11 13 15 17 2 4 6 8 10 12 8

Dinesh went from place A to place B and from there to place C. A is 7.5 km from B and B is 12.7 km from C. Ayub went from place A to placeD and from there to place C. D is 9.3 km from A and C is 11.8 km from D. Who travelled more and by how much?

Find the mode of the each of the following data collection. 5, 2, 7, 3, 5, 2, 9, 12, 13, 15, 2, 7, 3,5,7,6

Rita travels 3 km in 15 minutes on her bicycle. How much time will she take in travelling 7 km?

The marks of 19 students in a test were as follows: 5, 6, 8, 9, 10, 11, 12, 13, 13, 14, 14, 15, 15, 15, 16, 16, 18, 19, 20. Calculate the median and mode.

Find the mean deviation about the mean for the following data :12, 3, 18, 17, 4, 9, 17, 19, 20, 15, 8, 17, 2, 3, 16, 11, 3, 1, 0, 5

Over the past 200 working days, the number of defective parts produced by a machine is given in the following table : |{:("Number of","0 1 2 3 4 5 6 7 8 9 10 11 12 13"),("defective parts",),("Days","50 32 22 18 12 12 10 10 10 8 6 6 2 2"):}| Determine the probability that tomorrow's output will have : (i) no defective part. (ii) at least one defective part,(iii) more than 13 defective parts.

RD SHARMA ENGLISH-PROBABILITY-All Questions
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  2. Given below is the frequency distribution of wages: A worker is selec...

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  3. The distances (in km) of 40 female engineers from their residence to...

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  4. A tyre manufacturing company kept a record of the distance covered b...

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  5. Three coins are tossed simultaneously 100 times the following freque...

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  6. Fifty seeds were selected at random from each of 5 bags of seeds, an...

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  7. A coin is tossed 500 times with the following frequencies of two out...

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  8. Two coins are tossed simultaneous 1000 times with the following fre...

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

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  10. In a cricket match, a batsman hits a boundary 8 times out of 40 bal...

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  11. A die is thrown 1000 times with the following frequencies for the o...

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  12. The record of a weather station shows that out of the past 250 cons...

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  13. 1000 families with 2 children were selected randomly, and the follo...

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  14. The percentage of marks obtained by a student in the monthly unit te...

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  15. On one page of a telephone directory, there were 200 telephone numbe...

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  16. A tyre manufacturing company kept a record of the distance covered b...

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  17. Fifty seeds were selected at random from each of 5 bags of seeds, a...

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  18. The distances (in km) of 30 female engineers from their residence to...

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  19. Following table shows the marks scored by a group of 90 students in ...

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  20. An insurance company selected 2000 drivers at random in a particular...

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