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A coin is tossed 3 times. What is the probability of getting at least one head?

A. 1/8
B. 3/8
C. 5/8
D. 7/8 ✅

Explanation

  • P(no heads at all, i.e., TTT) = 1/8
  • P(at least one head) = 1 - 1/8 = 7/8