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Give P(A)" "=3/4 and P(B)" "=1/4dot Find...

Give `P(A)" "=3/4` and `P(B)" "=1/4dot` Find `P(A""or""B)` , if A and B are mutually exclusive events.

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RD SHARMA ENGLISH-PROBABILITY-All Questions
  1. Give P(A)" "=3/5 and P(B)" "=1/5dot Find P(A" "or" "B) , if A and B ar...

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  2. A and B are two mutually exclusive events of an experiment. If P(A)=0....

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  3. Give P(A)" "=3/4 and P(B)" "=1/4dot Find P(A""or""B) , if A and B are ...

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  4. One number is chosen from numbers 1 to 200. Find the probability that ...

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  5. A, B, C are three mutually exclusive and exhaustive events associated ...

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  6. Four candidates A, B, C, D have applied for the assignment to coach a ...

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  7. A card is drawn from a deck of 52 cards. Find the probability of get...

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  8. Four cards are drawn at a time from a pack of 52 playing cards. Find t...

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  9. An urn contains 9 red, 7 white and 4 black balls. If two balls are ...

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  10. One card is drawn from a pack of 52 cards, each of the 52 cards being ...

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  11. Suppose each child born is equally likely to be a boy or a girl. Con...

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  12. Three dice are thrown together. Find the total number of samples space...

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  13. One urn contains two black balls (labelled B1 and B2) and one white ...

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  14. A coin is tossed. If head comes up,  die is thrown but if tail comes...

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  15. Two dice are thrown simultaneously: Find the probability of its occ...

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  16. Three coins are tossed once. Find the probability of getting: all head...

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  17. In a lottery of 50 tickets numbered 1 to 50, two tickets are drawn ...

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  18. Four cards are drawn at random from a pack of 52 playing cards. Find ...

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  19. A sample space consists of 9 elementary event E1, E2, E3 ..... E8, E9 ...

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  20. In a random sampling three items are selected from a lot. Each item is...

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