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(D) The sample space $S$ for tossing two coins is given by $S = \{TT, HT, TH, HH\}$.Total number of possible outcomes $n(S) = 4$.We are looking for th

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$1/2$

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(D) The sample space $S$ for tossing two coins is given by $S = \{TT, HT, TH, HH\}$.Total number of possible outcomes $n(S) = 4$.We are looking for the probability of obtaining at least one head and one tail.The favorable outcomes are $\{HT, TH\}$.Number of favorable outcomes $n(E) = 2$.The probability $P(E)$ is given by the formula $P(E) = \frac{n(E)}{n(S)}$.Therefore,$P(E) = \frac{2}{4} = \frac{1}{2}$.

Two coins are tossed. Find the probability that at least one head and one tail are obtained?

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