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Home » A biased coin has P(head) = 0.6. What is P(tail)?

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A biased coin has P(head) = 0.6. What is P(tail)?

A. 0.3
B. 0.4 ✅
C. 0.5
D. 0.6

Explanation

  • Since head and tail are the only outcomes, P(head)+P(tail)=1
  • P(tail) = 1 - 0.6 = 0.4