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If two fair coins are tossed, what is the probability of getting at least one head?

If two fair coins are tossed, what is the probability of getting at least one head?
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  • A \(\frac{1}{4}\)
  • B \(\frac{1}{2}\)
  • C 1
  • D \(\frac{43}{78}\)
  • E \(\frac{3}{4}\)
Correct Answer: Option E
Explanation:
Prob. of getting at least one head
Prob. of getting one head + prob. of getting 2 heads
= \(\frac{1}{4}\) + \(\frac{2}{4}\)
= \(\frac{3}{4}\)

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