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Following table shows the birth month...

Following table shows the birth month of 40 students of class IX
`{:(Jan., Feb., March, April, May, June, July, Aug., Sept., Oct., Nov., Dec), (3, 4, 2, 2, 5, 1, 2, 5, 3, 4, 4, 4):}`
Find the probability that a student was born in August.

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RD SHARMA ENGLISH-PROBABILITY-All Questions
  1. The blood groups of 30 students of class IX are recorded as follows: A...

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  2. Eleven bags of wheat flour, each marked 5kg, actually contained the...

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  3. Following table shows the birth month of 40 students of class IX ...

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

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

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

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

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  8. Define a trial.

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  9. Define an elementary event.

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  10. Define an event

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  11. Define probability of an event.

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

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

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

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

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

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

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

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

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

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