Mr. $A$ has six children and atleast one child is a girl, then probability that Mr. $A$ has $3$ boys and $3$ girls, is -
Mr. $A$ has six children and atleast one child is a girl, then probability that Mr. $A$ has $3$ boys and $3$ girls, is -
- A
$\frac{20}{{63}}$
- B
$\frac{1}{{6}}$
- C
$\frac{5}{{11}}$
- D
$\frac{1}{{32}}$
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