SOLUTION: the probability of rolling a "head" on a biased dice is 0.6 , what is the probability of rolling a "tails"

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Question 466591: the probability of rolling a "head" on a biased dice is 0.6 , what is the probability of rolling a "tails"
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Either a head or a tail occurs, so P(tail) = 1 - 0.6 = 0.4.