20. A couple has three children. The probability of having 2
sons and a daughter, if the eldest child is a son, is
(a) 2/3
(b) 1/2
(c) 3/4
(d) None of these
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20. A couple has three children. The probability of having 2
sons and a daughter, if the eldest child is a son, is
(a) 2/3
(b) 1/2
(c) 3/4
(d) None of these
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Answer:
2/3
Step-by-step explanation:
ouctomes 2
total children 3
so,probability=2/3
Answer:
answer is 2/3
Step-by-step explanation:
A couple has 3 children
the probability of 2
so answer is 2/3