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Complement of an Event

A coin is tos...

Question

A coin is tossed $6$ times. Find the probability of getting atleast $3$ heads.

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Solution

$6$ time
HHHTTT, HHHHTT, HHHHHT, HHHHHH
$\Rightarrow$ Possible favour $= \frac{4}{6} = \frac{2}{3}$ .

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