2007-02-27 09:45:06 · 4 answers · asked by NUMBA 85 1 in Education & Reference ➔ Trivia
actually, the probability of the family having one boy (exactly one boy) would be 1 in 5
0 boys
1 boy
2 boys
3 boys
4 boys
same with girls
2007-02-28 05:31:01 · answer #1 · answered by d b 6 · 0⤊ 0⤋
well... with four children... there are 2^4 or 16 possible outcomes...
BBBB
BBBG
BBGB
BBGG
BGBB
BGBG
BGGB
BGGG
GBBB
GBBG
GBGB
GBGG
GGBB
GGBG
GGGB
GGGG
Now the probability of at least one boy is 15/16. The probability or at least one girl is 15/16. The probability of only one boy is 1/4. The probability of only one girl is 1/4.
There is also a difference between permutations and combinations... but you aren't specific enough...
2007-02-27 09:54:05 · answer #2 · answered by boonestudent18 3 · 1⤊ 1⤋
2 out of 5 families would have either one boy or one girl
2007-02-27 09:49:10 · answer #3 · answered by lou53053 5 · 0⤊ 1⤋
I know that this is not on topic exactly, but:
I am one of a family of eight children. What are the chances of this happening???
In order of age,
Ruth (girl)
Ted (Boy)
Carolyn (girl)
Bryan (boy)
Diane (girl)
Bill (Boy)
Deb (girl)
Rich (boy)
(ie 8 children
four girls
four boys
Alternate girl boy, girl boy, girl boy, girl boy)
2007-02-28 13:48:27 · answer #4 · answered by free2bme55 3 · 0⤊ 0⤋