SOLUTION: Assume that the probability of a boy being born is the same as the probability of a girl being born. Find the probability that a family with four children will have the given compo

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: Assume that the probability of a boy being born is the same as the probability of a girl being born. Find the probability that a family with four children will have the given compo      Log On


   

Question 1161802: Assume that the probability of a boy being born is the same as the probability of a girl being born. Find the probability that a family with four children will have the given composition. (Enter your answer to four decimal places.)
At least one girl
Found 2 solutions by Unemployed proff, MathTherapy:
Answer by Unemployed proff(1) About Me  (Show Source):
You can put this solution on YOUR website!
GBB GBG GGB GGG
There are 3 (2B,1G) outcomes out of the total 8.
P=3/8
email me for more help o assignment>> topwriter33@gmail.com

Answer by MathTherapy(10555) About Me  (Show Source):
You can put this solution on YOUR website!
Assume that the probability of a boy being born is the same as the probability of a girl being born. Find the probability that a family with four children will have the given composition. (Enter your answer to four decimal places.)
At least one girl
Easiest method: 

OR

You can use the BINOMCDF function on a TI-83/84 graphing calculator.

OR

The BINOMDIST function in MS Excel.

BTW: 4 births result in 24 = 16 outcomes.