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  • Minimum number of times a fair coin must be tossed so that the prabability of getting at least one head is more than 99% is.

Minimum number of times a fair coin must be tossed so that the prabability of getting at least one head is more than 99% is.

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Solution:

\ 1-(1/2)^n> 99/100\ \Rightarrow (1/2)^n< 1/100\ \ herefore ngeq 7

The minimum value of n is 7

Posted by

Deependra Verma

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