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1 . When a couple has a child, this child is a boy with probability 1/2 and a girl with probability 1/2, independent of the gender of previous children. A couple stops having children as soon as they have 2 girls or 2 boys. Define the random variables
  • G = the number of girls the couple has
and
  • B = the number of boys the couple has.
Are $G$ and $B$ independent random variables?
(a)
Yes
(b)
No