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The probability of having at least one t...

The probability of having at least one tail 4 throws with a coin is

A

`15//16`

B

`1//16`

C

`1//4`

D

1

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The correct Answer is:
A
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ML KHANNA-PROBABILITY-Self Assessment Test
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  8. A coin is tossed (m+n) times (m gt n). Find the probability of at leas...

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  9. Each coefficient in the equation ax^2+bx+c=0 is determined by throwing...

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  10. Three persons A, B and C, in order, cut a pack of cards replacing them...

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  11. One bag contains 5 white and 3 red balls, and a second bag contains 4 ...

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  12. Supposing that it is 9 to 7 against a person A who is now 35 years of ...

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  13. In shuffling a pack of 52 playing cards, four are accidently droppe...

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  15. A bag has 13 red, 14 green and 15 black balls, The probability of gett...

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  16. A purse contains 4 copper coins, 3 silver coins, the second purse cont...

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  17. Two persons, A and B, have respectively n+1 and n coins, which they to...

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  18. Fifteen coupons are numbered 1,2, . . .,15 respectively. Seven coupons...

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