Math Problem Statement

A bag contains 40 US quarters and 10 Canadian quarters if 5/4 are randomly picked from the bag. What is the probability of getting at least one Canadian quarter

Solution

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Math Problem Analysis

Mathematical Concepts

Probability
Combinatorics

Formulas

P(at least one) = 1 - P(none)
Combination formula: C(n, k) = n! / (k! * (n - k)!)

Theorems

Complementary Probability Theorem

Suitable Grade Level

Grades 10-12