Mathematics, 26.07.2019 23:50 nmoore017

When coin a is flipped, it lands on heads with probability 0.4; when coin b is flipped, it lands on heads with probability 0.7. one of these coins is randomly chosen and flipped 10 times. given that the first of these 101 flips lands on heads, what is the conditional probability that exactly 7 of the 10 flips land on heads?

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