See below the theee of possibilities:
BB BB BB BG BB GB BB GG BG BB B G B G
B GG B BGGG G BB B
G BB G
G B G B GBGG GG BB GGBG GGGB GGGG
There are 16 differents possibilities. In 11 of them have at least 2 boys
So probability is 11/16
The probability that a couple with 4 children will have at least 2 boys is 16 11 . This is based on the total combinations where at least 2 boys are present. Out of 16 possible combinations, 11 meet the criteria.
;
Jawab: 04 : 52 PM atau jam 4 lebih 52 sore