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A coin is tossed 2n times. During the to...

A coin is tossed 2n times. During the toss any person can't get head and tail with equal numbers. Its probability is ........

A

`((2n)!)/((n!)^(2))((1)/(2))^(2n)`

B

`1-((2n)!)/((n!)^(2))`

C

`1-((2n)!)/((n!)^(2))(1)/(4^(n))`

D

None of these

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The correct Answer is:
C
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KUMAR PRAKASHAN-PROBABILITY-Multiple Choice Questions (MCQs)
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  13. The probability distribution of a random variable X is given below : ...

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  14. Mean of the following probability distribution is …………

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  15. A fair dice is rolled 6 times. If "getting an even number" is a succes...

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  16. A fair dice is rolled 6 times. If "getting a prime number" is a "succe...

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  17. A bag consists of 10 balls each marked with one e digits 0 to 9. If fo...

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  18. Mean of the binomial distribution is 100 then it standard deviation li...

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  19. In a box there are 100 electric bulbs out of which 10 are defective. 5...

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  20. Mean and variance of one binomial distribution are (4)/(3) and (20)/(2...

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