Answer each 9. Form a class of 32 girls and 18 boys, how many study groups of 3 girls and 2 boys can be formed?
Added by Holly S.
Close
Step 1
This can be calculated using the combination formula, which is denoted as "nCr" and is equal to n! / (r!(n-r)!), where n is the total number of items and r is the number of items being chosen. So, the number of ways to choose 3 girls from 32 is 32C3 = 32! / Show more…
Show all steps
Your feedback will help us improve your experience
Shyam P and 77 other Intro Stats / AP Statistics educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
'A class contains 9 boys and 3 girls. () In how many ways can the teacher choose a committee of 4? How many of them will contain at least one girl? How many of them will contain exactly one girl?'
Pritesh R.
A group of 9 people consisting of 2 freshmen, 1 sophomores, 3 juniors, and 3 seniors are selected from 6 freshmen, 7 sophomores, 4 juniors, and 7 seniors. How many groups can be formed?
Audrey F.
Three student council representatives are chosen from a group of 8 girls and 4 boys. In how many choices there are more girls than boys? Explain your answer:
Supreeta N.
Recommended Textbooks
Elementary Statistics a Step by Step Approach
The Practice of Statistics for AP
Introductory Statistics
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD