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A coin is tossed twice, what is the prob...

A coin is tossed twice, what is the probability that at least one tail occurs?

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The correct Answer is:
`(3)/(4)`
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KUMAR PRAKASHAN-PROBABILITY-EXERCISE : 16.3
  1. Refer to question 6 above, state true or false : (give reason for your...

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  2. Which of the following can not be valid assignment of probabilities fo...

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  3. A coin is tossed twice, what is the probability that at least one tail...

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  4. A die is thrown, find the probability of following events : A prime ...

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  5. A die is thrown, find the probability of following events : A number...

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  6. A die is thrown, find the probability of following events : A number...

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  7. A die is thrown, find the probability of following events : A number...

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  8. A die is thrown, find the probability of following events : A number...

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  9. A card is selected from a pack of 52 cards. How many points are ther...

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  10. A card is selected from a pack of 52 cards. Calculate the probabilit...

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  11. A card is selected from a pack of 52 cards. Calculate the probabilit...

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  12. A fair coin with 1 marked on one face and 6 on the other and a fair di...

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  13. There are four men and six women on the city council. If one council m...

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  14. A fair coin is tossed four times and a person win R1 for each head and...

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  15. Three coins are tossed once. Find the probability of getting (i) 3 h...

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  16. If (2)/(11) is the probability of an event, what is the probability of...

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  17. A letter is chosen at random from the word 'ASSASSINATION'. Find the p...

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  18. In a lottery, a person chosen six different natural numbers at random ...

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  19. Check whether the following probabilities P(A) and P(B) are consistent...

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  20. Find in the blanks in following table :

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