Father has three children with at least one boy.the probability that he has 2 boy and one girls
Answers
Answered by
0
sample space
using 1: for boy
using 2: for girl
(0, 1, 1)
(1,1,0)
(1, 0, 1)
(0, 0,1)
(0, 1, 0)
(1, 0, 0)
n(s)=6
event= 2 boys 1 girl
fav. cases=
(1, 1, 0)
(1, 0,1)
(0, 1, 1)
n(f)=3
E(P)=1/2
I have taken into consideration even the chronology
using 1: for boy
using 2: for girl
(0, 1, 1)
(1,1,0)
(1, 0, 1)
(0, 0,1)
(0, 1, 0)
(1, 0, 0)
n(s)=6
event= 2 boys 1 girl
fav. cases=
(1, 1, 0)
(1, 0,1)
(0, 1, 1)
n(f)=3
E(P)=1/2
I have taken into consideration even the chronology
Similar questions