Question

When you flip a biased coin the probability of getting a tail is 0.34.
Find the probability of getting a head.

Answer 1

Answer:

• If you want to know what the probability is to get at least one Heads, then that is the same as the probability of all the events (100%, or 1) minus the probability of getting all Tails.

• There are 100 coins. 99 are fair, 1 is biased with both sides as heads. With a fair coin, the probability of three heads is 0.53=1/8. The probability of picking the biased coin: P(biased coin)=1/100.

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Answer 2

Answer

The probability of getting heads on any toss is 0.46. Thus, the probability of not getting heads (tails) is 1 – 0.46 = 0.54