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Two different coins are tossed simultaneously. What is the probability of getting:
(i) at least one head?
(ii) at most one tail ?
(iii) a head and a tail ?
(i) at least one head?
(ii) at most one tail ?
(iii) a head and a tail ?
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Possible Outcomes are $HH, HT, TH, TT$
(i) $P$ (at least one head) $= \frac{3}{4}$ (I) (1 Mark)
(ii) $P$ (at most one tail) $= \frac{3}{4}$ (II) (1 Mark)
(iii) $P$ (a head and a tail) $= \frac{2}{4}$ or $\frac{1}{2}$ (III) (1 Mark)
(i) $P$ (at least one head) $= \frac{3}{4}$ (I) (1 Mark)
(ii) $P$ (at most one tail) $= \frac{3}{4}$ (II) (1 Mark)
(iii) $P$ (a head and a tail) $= \frac{2}{4}$ or $\frac{1}{2}$ (III) (1 Mark)