Tuesday

September 2, 2014

September 2, 2014

Posted by **karen** on Tuesday, March 13, 2012 at 8:59pm.

- math -
**Reiny**, Tuesday, March 13, 2012 at 9:38pmnumbers of groups of twos from 50 = C(50,2) = 1225

number of possible groups of twos from 100 = 4950

prob = 2(1225)/4950 = 49/99

**Answer this Question**

**Related Questions**

math-Probability - In a classroom of children (10 boys and 8 girls), six ...

probability qn urgently need help - A group of 5 boys and 4 girls take part in a...

math - there were 490 altogether in 2 groups. group A consited of only boys and ...

Math 132 - There are 7 girls and 6 boys in a class. Suppose five children are ...

mathss - Can someone explain how to do this: There are 100 boys , 80 girls, and ...

statistics - A sixth form class consists of 6 girls and 9 boys. Three students ...

math - Given a group of students: or count the different ways of choosing the ...

Math 157 - A group of 10 students consists of 3 girls and 7 boys. How many ways ...

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

Math - Ms. Tenley's class has 25 students. Two of the students have visited no ...