Posted by juan777 on Monday, January 23, 2012 at 12:29am.
A couple intends to have four children. Assume that having a boy and girl is equally likely event.
a) List sample space
b) Find the probability that couple has two boys and two girls;
c) Find the probability that couple has at least one boy

math  Reiny, Monday, January 23, 2012 at 9:01am
finish the chart
BBBB
BBBG
BBGB
BBGG
.....
GGGG  you should have 16 of these
count the number of cases for each of your events,
then divide by 16 to the prob.

math  LOL, Saturday, February 15, 2014 at 2:49pm
5. A couple plans to have 3 children. Find the possible ways the couple can have 3 children.
 1a3b+3a2b1+3a1b2+1 a0b3
1a3= 1 case with boy, boy, boy
3a2b1= 3 cases with 2 boys and a girl
3a1b2=3 cases with a boy and 2 girls
1b3= 1 case of girl, girl and girl.

math  Water, Thursday, February 18, 2016 at 8:29am
12345
Answer This Question
Related Questions
 statistics  Define each of the following probability terms for the scenario of ...
 odds of...  Does anyone know the odds of having Two girls as children as ...
 statistics  3. A couple is planning on having four children. Assume that the ...
 probability  a couple is planning to have three children. Find the probability ...
 Math  In a family with two children, what are the probabilities of the ...
 probability  For a family with 2 children, the sample space indicating boy (B) ...
 statistic  Three Children – A couple are planning to have 3 children. What is ...
 Statistics  Supposed (as is roughly correct) that each child born is equally ...
 college math  A couple plan to have exactly three children. (a) Construct a ...
 Math  A newly married couple expected a boy and a girl or four children, ...
More Related Questions