In tossing a coin, the chance of throwing head and tail alternatively in successive trials is

Foundation

Mathematics Foundation

Definition of Probability

Question

In tossing a coin, the chance of throwing head and tail alternatively in $3$ successive trials is

$\frac{1}{6}$

$\frac{1}{48}$

$\frac{1}{4}$

$\frac{1}{5}$

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Favourable outcomes $= {H T H, T H T} = 2$ outcomes
Total number of outcomes $= 8$
Probability $=$ $\frac{2}{8}$ $=$ $\frac{1}{4}$