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Three unbiased coins are tossed simultan...

Three unbiased coins are tossed simultaneously. Find the probability of getting
(i) exactly two heads, (ii) at least two heads, (iii) at most 2 heads.

Text Solution

Verified by Experts

The correct Answer is:
C
When 3 coins are tossed , all possible outcomes are HHH,HHT,HTH,THH,HTT,THT,TTH,TTT.
Their number is 8.
Favourable outcomes are HHT,THT,THH. Their number is 3.
`:. ` P(getting exactly 2 heads) = `3/8`.
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