IDNLearn.com is designed to help you find the answers you need quickly and easily. Our Q&A platform offers detailed and trustworthy answers to ensure you have the information you need.

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