Answer by Graham Kemp for Probability that brothers are identical twins
calculated that the probability of getting blood type B in such case is 0.5, so there's 25% chance that two kids are type B.To be precise, there is a $25\%$ probability for both being type B, when they...
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Mother's blood type is 0, and father's blood type is AB. They have twins - two sons - and they both have blood type B. What is the probability that they are identical twins, knowing that 32% of all...
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