A coin is tossed 8 times, What is the probability of getting tails exactly 6 times?

\frac{7}{16}

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\frac{7}{64}

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\frac{1}{8}

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\frac{7}{32}

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Solution

The correct option is B $\frac{7}{64}$
$P (T) = 0.5$
Probability of getting tails exactly 6 times is
$^{8} C_{6} (0.5)^{6} (0.5)^{2} = \frac{7}{64}$

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