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GATE ECE 2009 | Question-11

A fair coin is tossed $10$ times. What is the probability that $\text{ONLY}$ the first two tosses will yield heads?

  1. $\left(\frac{1}{2}\right)^{2}$
  2. ${ }^{10} C_{2}\left(\frac{1}{2}\right)^{2}$
  3. $\left(\frac{1}{2}\right)^{10}$
  4. ${ }^{10} C_{2}\left(\frac{1}{2}\right)^{10}$
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