Abox contains 10 genuine pearls and 5 artificial pearls. if you pick 3 pearls at random from the box. what is the probability that you will get at least one genuine pearl?

Sanderson is having trouble with his assignment. his shown work is as follows: − 3 7 7 3 = − 3 7 × 7 3 = − 21 21 = −1 however, his answer does not match the answer that his teacher gives him. complete the description of sanderson's mistake. find the correct answer.