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There are ball pens with only blue refil...

There are ball pens with only blue refills in a packet.What are the probabilities of (ii) an event of the pen being red refilled

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R G PUBLICATION-PROBABILITY-EXERCISE
  1. There are ball pens with only blue refills in a packet.What are the ...

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  2. Probability of an event E + Probability of the event 'not E'=.

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  3. The probability of an event that cannot happen is.Such an event is cal...

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  4. The probability of an event that is certain to happen is .Such an even...

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  5. The sum of the probabilities of all the elementary events of an experi...

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  6. The probability of an event is greater than or equal to and less than...

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  7. Which of the following experiments have equaIIy likely outcomes? Expla...

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  8. Which of the following experiments have equaIIy likely outcomes? Expla...

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  9. Which of the following experiments have equaIIy likely outcomes? Expla...

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  10. Which of the following experiments have equaIIy likely outcomes? Expla...

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  11. Why is tossing a coin considered to be a fair way of deciding which te...

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  12. Which of the following cannot be the probability of an event?

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  13. If P(E) =0.05, what is the probability of not 'E'?

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  14. A bag contains lemon flavoured candies onIy. Malini takes out one cand...

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  15. A bag contains lemon flavoured candies onIy. Malini takes out one cand...

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  16. It is given that in a group of 3 students, the probability of 2 studen...

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  17. A bag contains 3 red balls and 5 black balls. A ball is drawn at rando...

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  18. A bag contains 3 red balls and 5 black balls. A ball is drawn at rando...

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  19. A box contains 5 red marbles, 8 white marbles and 4 green marbles.One ...

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  20. A box contains 5 red marbles, 8 white marbles and 4 green marbles.One ...

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  21. A box contains 5 red marbles, 8 white marbles and 4 green marbles.One ...

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