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Anonymous asked: Assume that a coin is flipped 5 times.What is the probability that both heads and tails occur? I'm not sure what to do

hmm, looks tricky,

probability of heads is 1/2 and tails is 1/2

probability of heads in 5 times = (1/2)^5 = 1/32

probability of tails in five times = (1/2)^5 = 1/32

probability of occurring anything apart from this = 1- 1/32 - 1/32