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Multiple choice

A coin is tossed (m+n) times.Find the probability of at least m consecutive heads.

  1. $\displaystyle \frac{1+n}{2^{m+1}}$
  2. $\displaystyle \frac{2+n}{2^{m+1}}$
  3. $\displaystyle \frac{2+n}{2^{m}}$
  4. $\displaystyle \frac{1+n}{2^{m}}$
Reveal answer Fill a bubble to check yourself
B Correct answer

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