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Following frequency distribution given t...

Following frequency distribution given the weights of 38 students of a class: Weight in Kg: 31-35 36-40, 41-45, 46-50, 51-55,  56-60  61-65,  66-70  71-75 No. of students 9 5 14 3 1 2 2 1 1 Find the probability that weight of a student in the class is: (i)at most 60 kg  (ii)at least 36 kg (iii)not more than 50kg. Also define two events in this context, one having probability 0 and the other having probability 1.

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RD SHARMA ENGLISH-PROBABILITY-All Questions
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  2. A coin is tossed 500 times with the following frequencies of two out...

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  3. Following frequency distribution given the weights of 38 students of...

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  4. Given below is the frequency distribution table regarding the conce...

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  5. The blood groups of 30 students of class IX are recorded as follows: A...

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  6. An insurance company selected 2000 drivers at random (i.e., without ...

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  7. A company selected 2400 families at random and survey them to determ...

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  9. opp side of ||gm are equal

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

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  11. Show that the opposite sides of a parallelogram are equal.

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  12. Given below is the frequency distribution of wages: A worker is selec...

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

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

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

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

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

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

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

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