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Marks obtained by 2500 students are show...

Marks obtained by 2500 students are shown in the following table:
A student is selected at random. Find the probability that : he scores more than 80% marks.

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MODERN PUBLICATION-PROBABILITY-EXERCISE
  1. Marks obtained by 2500 students are shown in the following table: A...

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  2. Define a trial.

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  3. Define a event.

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  4. Define an elementary event.

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  5. Define the probability of an event.

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  6. When a die is thrown, what are the six possible outcomes?

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  7. Describe two events that are sure to happen.

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  8. Describe two events that are impossible to happen.

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  9. A fair coins is tossed 60 times and it came up with tails 27 times. Fi...

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  10. A die is thrown 100 times if the probability of getting an even number...

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  11. A coin is tossed 50 times and the tail appears 28 times. In a single t...

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  12. True/False: Probability of a sure event is 0.

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  13. True/False: Probability of an impossible event is 1.

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  14. True/False: If E is an event, then 0 le P(E) le1

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  15. True/False: If E is an event, the P(E) + P(notE) = 0

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  16. True|false: use the theoretical probability of an event 'E' is 0.47, ...

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  17. Can the experiment probability of an event be a negative number? If no...

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  18. True/False: The experimental probability of an event cannot be great...

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  19. True/False: Out of 35 students participating in a debate 10 are boys...

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  20. True/False: The probability of losing a game is 0.7. The probability...

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  21. True/False: In a one-day cricket match, a batsman hits the boundary ...

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