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Doctors Medicines MCQs Q&A

  1. $$\frac{{31}}{{32}}$$
  2. $$\frac{{1}}{{16}}$$
  3. $$\frac{{1}}{{2}}$$
  4. $$\frac{{1}}{{32}}$$
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1 Answers

Answer: Option 1

Let P(T) be the probability of getting least one tail when the coin is tossed five times. $$P\left( {\overline T } \right)$$ = There is not even a single tail. i.e. all the outcomes are heads. $$\eqalign{ & P\left( {\overline T } \right) = \frac{1}{{32}} \cr & P\left( T \right) = 1 - \frac{1}{{32}} \cr & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, = \frac{{31}}{{32}} \cr} $$

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