What is the chance for more girls than boys to be born if you have four kids? The chance for getting a boy is 50% and also for getting a girl.
+23254 To have more girls than boys when there are four children, there must be either 3 girls and 1 boy or 4 girls.
There are 4 ways to have 3 girls and 1 boy: GGGB or GGBG or GBGG or GGGB.
There is only one way to have all 4 girls: GGGG
Each possibility is (1/2)(1/2)(1/2)(1/2) = 1/16.
Five ways will be 5 x 1/16 = 5/16, which is a probability of 0.3125 and a percentage of 31.25%.
+23254 To have more girls than boys when there are four children, there must be either 3 girls and 1 boy or 4 girls.
There are 4 ways to have 3 girls and 1 boy: GGGB or GGBG or GBGG or GGGB.
There is only one way to have all 4 girls: GGGG
Each possibility is (1/2)(1/2)(1/2)(1/2) = 1/16.
Five ways will be 5 x 1/16 = 5/16, which is a probability of 0.3125 and a percentage of 31.25%.
