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

Engineering

Mathematics

Basic Definitions Related to Probability

Question

$\frac{1}{5}$

$\frac{1}{48}$

$\frac{1}{6}$

$\frac{1}{4}$

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Favourable outcomes = {HTH, THT} = 2 outcomes

Total number of outcomes = 8

Probability = $\frac{2}{8} = \frac{1}{4}$