Sunday

February 1, 2015

February 1, 2015

Posted by **Tim** on Saturday, August 23, 2008 at 3:41pm.

Three boys and three girls line up to go in the front door.

In how many ways can they line up?

My answer: 720

How many ways can they line up if the first one in line is a girl and then alternates by gender, a girl, a boy...

My answer: 3*3*3*2*2*1*1=108

Find the probabiltiy that the first person in line is a girl and the line alternates by gender.

My answer: 1/120

- Probability -
**bobpursley**, Saturday, August 23, 2008 at 3:45pmfirst, 6!, correct

second 3*3*2*2*1*1

third: 24/720*1/2

**Answer this Question**

**Related Questions**

math - Five boys and seven girls in a history class will go on a field trip ...

AED 204 - Check the Main forum to see which discussion cluster your teacher has ...

Math check and question - x is a binomial random variable. (Give your answers ...

Algebra 2 - stats and probability - I need someone to tell me how to set these ...

Statistics - A statistician believes that in her town each child born has a 50% ...

statistics - 3. A couple is planning on having four children. Assume that the ...

math - Ms Price has three times as many girls as boys in her classroom Ms Lippy ...

Math - Heres a challenge: six students(4 boys and girls) were divided into three...

Math - a class has 10 boys and 5 girls; three students are selected from the ...

maths - 1. A die labelled A has one face marked 1, one face marked 2 and the ...