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Question

Six unbiased coins are tossed the probability of obtaining atleast two heads is

A
5064
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B
5564
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C
5764
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D
6064
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Solution

The correct option is B 5764
To find the probability of finding atleast two heads, we will find out the probability of one head and zero heads and subtract it from 1.
Required Probability =1(6C0+6C1)26=5764

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