20. Simplify: frac{C(10,3)+C(5,2)}{C(5,4)} A. 16 B. 26 C. 40 D. 80
Added by Cynthia M.
Close
Step 1
First, let's simplify the combinations: C(10,3) = 10! / (3!(10-3)!) = 10! / (3!7!) = (10*9*8) / (3*2*1) = 120 C(5,2) = 5! / (2!(5-2)!) = 5! / (2!3!) = (5*4) / (2*1) = 10 C(5,4) = 5! / (4!(5-4)!) = 5! / (4!1!) = (5*4*3*2*1) / (4*3*2*1*1) = 5 Now let's substitute Show more…
Show all steps
Your feedback will help us improve your experience
Pritesh Ranjan and 52 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
Simplify. $$ (-10 a 5 b 3 c 25 a b 2 c 2)-1 $$
Polynomials and Their Operations
Review Exercises and Sample Exam
Sanchit J.
Simplify completely using any method. $$ \frac{\frac{24 c-60}{5}}{\frac{8 c-20}{c^{2}}} $$
Rational Expressions
Simplifying Complex Fractions
Recommended Textbooks
Elementary Statistics a Step by Step Approach
The Practice of Statistics for AP
Introductory Statistics
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD