What is the probability of getting at least one head when two fair coins are tossed?
A1/4
B1/2
C3/4
D1
Explanation
Outcomes = {HH, HT, TH, TT}. Favorable outcomes for at least 1 head = {HH, HT, TH} (3 outcomes). Probability = 3/4.
Exam Relevance
- Topic: Sequences, Probability & Statistics
- Subtopic: Coin Probability
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