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A couple has two children. Find the probability that both are boys, fit is known that
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A couple has two children. Find the probability...
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Nov 25, 2021
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JackTerrance
A couple has two children. Find the probability that both are boys, fit is known that (a) one of the children is a boy (b) older child is a boy. Select the correct answer from above options
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Nov 25, 2021
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JackTerrance
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(a) Let A: both are boys = {B, B}, n(A) = 1 Let B: One of the child is boy = {BG, BB, GB} = n(B) = 3 (b) Let C: Elder child is a boy c = {BG,BB} ⇒ n(c) = 2 4
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