Question

1. In a certain country, the probability that a baby that is born is a boy is 0.52 and the probably that a baby that is born is a girl is 0.48. A family has two children. If X is the number of girls born to a family, find the probability that the family has 0, 1, or 2 girls.
(a) Draw a tree diagram showing the possibilities for each outcome.
(b) Create the binomial distribution table for .

Answer 1

@AZ

Answer 2

Can u help him or her?

Answer 3

think of it as a biased coin

or picking random numbers out of a bag, with replacement.

Answer 4

total number of possibilities=4
bb,bg,gb,gg

no girl (0) bb (1 possibilities)
one girl (1) bg,gb (2 possibilities)
two girls (2) gg (1 possibility)