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Four coins are tossed simultaneously. What is the probability of getting exactly 2 heads?

Options

  1. A1 / 2
  2. B1 / 4
  3. C1 / 8
  4. D3 / 8

Correct answer

D. 3 / 8

Step-by-step solution

^4 C ₂ ( 1 2 )^2 ( 1 2 )^2= 6 16 = 3 8

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