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4. Two unbiased coins are tossed. Calculate the probability that (a) Two heads are obtained. (b) One head and one tail is obtained.
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4. Two unbiased coins are tossed. Calculate the probability that

(a) Two heads are obtained.
(b) One head and one tail is obtained.

User Paul Pladijs
by
8.1k points

1 Answer

3 votes
2 coins have four possible outcomes: {HH, HT, TH, TT}

(a) P(2 heads) = 1/4

(b) P(1 head and 1 tail) = 2/4 = 1/2
User Daniel Loureiro
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