Suppose there were 4,065,014 births in a given year. Of those births 2,081,287 were boys and 1,983,727 were girls. What is the probability that both children will be boys?

Question

asked Apr 19, 2020 212k views

1 Answer

Delfuego · Answer 1 · 2020-04-24T03:22:41+0000

Answer:

The required probability is
$\simeq 0.26214$

Explanation:

There were 4,065,014 births in a given year and of those births 2,081,287 were boys and 1.983,727 were girls.

So, P(both children will be boys) =
$\frac {^(2081287){C}_2}{^(4065014){C}_(2)}$

$\simeq 0.26214$