SOLUTION: a biology class has 8 students. how many different lab groups may be formed that will consist of 3 students?
Algebra.Com
Question 753764: a biology class has 8 students. how many different lab groups may be formed that will consist of 3 students?
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
a biology class has 8 students. how many different lab groups may be formed that will consist of 3 students?
.
since order does not matter, it is a combination:
8C3
= (8!)/[3!(8-3)!]
= (8!)/[3!5!]
= (6*7*8)/[3!]
= (6*7*8)/[2*3]
= (2*7*8)/[2]
= (7*8)
= 56
RELATED QUESTIONS
A class has 12 students. In how many different ways can the students be put into lab... (answered by edjones)
How many different groups of 3 students can be formed if there are 20 students in the... (answered by solver91311)
An algebra class of 21 students must send 5 students to meet with the principal. How many (answered by checkley71)
In a classroom of 24 students, the teacher forms groups of 6 students each. How many... (answered by ikleyn,greenestamps)
How many groups of 4 students can be formed if there are 25 in the... (answered by TimothyLamb)
Groups of five students must be formed to work on a project. In how many different ways... (answered by stanbon)
A schoolteacher has to select the maximum possible number of different groups of 3... (answered by psbhowmick)
How many different committees can be formed from 6 teachers and 39 students if the... (answered by MathLover1,math_tutor2020)
Four students from Mrs.Wilson's class will be chosen to lead the opening song at an... (answered by solver91311)