Get reliable answers to your questions at Westonci.ca, where our knowledgeable community is always ready to help. Experience the ease of finding reliable answers to your questions from a vast community of knowledgeable experts. Join our Q&A platform to connect with experts dedicated to providing accurate answers to your questions in various fields.

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