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If birth to a male child and birth to a female child are equal-probable, then what is the probability that at least one of the three children born to a couple is male ? a)`4/5` b)`7/8` c)`8/7` d)`1/2`

A

`4/5`

B

`7/8`

C

`8/7`

D

`1/2`

Text Solution

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The correct Answer is:
B
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