Math Problem Statement

There are 5 white and 3 black balls in the box, and 4 are risked. Find the probability that there are 2 white and 2 black balls among the received balls.

Choose one or more answers:

a. 3/7

b. 5/7

c. 4/7

d. 2/7

Solution

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Math Problem Analysis

Mathematical Concepts

Combinatorics
Probability

Formulas

Binomial coefficient formula

Theorems

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Suitable Grade Level

High School