Three coins are tossed simultaneously. The probability of getting at least two heads is
A. \(\frac{1}{2}\)
B. \(\frac{3}{8}\)
C. \(\frac{1}{8}\)
D. \(\frac{7}{8}\)
A. \(\frac{1}{2}\)
B. \(\frac{3}{8}\)
C. \(\frac{1}{8}\)
D. \(\frac{7}{8}\)
Best answer
Answer: A. \(\frac{1}{2}\)
\(n(S) = 8\). At least two heads: HHT, HTH, THH, HHH, which is 4 outcomes. \(P = \frac{4}{8} = \frac{1}{2}\).
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