At Westonci.ca, we make it easy for you to get the answers you need from a community of knowledgeable individuals. Discover comprehensive solutions to your questions from a wide network of experts on our user-friendly platform. Connect with a community of professionals ready to provide precise solutions to your questions quickly and accurately.

Eight cards are marked with the numbers 1,2,3,4,5,6,7,and 8, then shuffled, and three cards are drawn.

A. How many different three-card combinations are possible?

B. How many three-card hands that contain a number less than three?


Sagot :

1/2/3, 1/2/4, 1/2/5, 1/2/6, 1/2/7, 1/2/8, 1/3/4, 1/3/5, 1/3/6, 1/3/7, 1/3/8, 1/4/5, 1/4/6, 1/4/7, 1/4/8, 1/5/6, 1/5/7, 1/5/8, 1/6/7, 1/6/8, 1/7/8, 2/3/4, 2/3/5, 2/3/6, 2/3/7, 2/3/8, 2/4/5, 2/4/6, 2/4/7, 2/4/8, 2/5/6, 2/5/7, 2/5/8, 2/6/7, 2/6/8, 2/7/8, 3/4/5, 3/4/6, 3/4/7, 3/4/8, 3/5/6, 3/5/7, 3/5/8, 3/6/7, 3/6/8, 3/7/8, 4/5/6, 4/5/7, 4/5/8, 4/6/7, 4/6/8, 4/7/8, 5/6/7, 5/6/8, 5/7/8, 6/7/8

21 + 15 + 10 + 6 + 3 + 1 = 56

A. 56

B. 46