Math Problem Statement
The box contains numbered balls: 2 red, 3 white and 4 green. In how many ways can two balls be selected from the box: a) of the same color b) of different colors?
Solution
Ask a new question for Free
By Image
Drop file here or Click Here to upload
Math Problem Analysis
Mathematical Concepts
Combinatorics
Binomial Coefficient
Formulas
\(\binom{n}{r}\) = \frac{n!}{r!(n-r)!}
Theorems
Basic combination theorem for selecting objects without replacement
Suitable Grade Level
Grades 9-12
Related Recommendation
Combinatorics: Finding the Number of Ways to Pick 3 White Balls from 4
Combinatorics Problem: Drawing Balls from a Bag
Probability of Drawing Red and White Balls Without Replacement
Counting Combinations of Drawing Balls from a Box
Probability of Drawing 3 Balls of the Same Colour from a Box of Red and White Balls