MathDB
Easy Probability

Source:

December 31, 2005
probabilitybinomial coefficients

Problem Statement

A box contains 2 pennies, 4 nickels, and 6 dimes. Six coins are drawn without replacement, with each coin having an equal probability of being chosen. What is the probability that the value of coins drawn is at least 50 cents? (A) 37924(B) 91924(C) 127924(D) 132924(E) none of these\text{(A)} \ \frac{37}{924} \qquad \text{(B)} \ \frac{91}{924} \qquad \text{(C)} \ \frac{127}{924} \qquad \text{(D)} \ \frac{132}{924} \qquad \text{(E)} \ \text{none of these}
Back to ProblemsView on AoPS