From a group of 18 smokers and 23 nonsmokers, a researcher wants to randomly select 7 smokers and 7 nonsmokers for a study. In how many ways can the study group be selected? How many ways can the group be selected? OA. 7,801,876,368 OB. 198,180,142,749,389,000 OC. 39,321,456,894,720 O D. 505,437,626,163,600

From a group of 18 smokers and 23 nonsmokers, a researcher wants to randomly select 7 smokers and 7 nonsmokers for a study. In how many ways can the study group be selected? How many ways can the group be selected? OA. 7,801,876,368 OB. 198,180,142,749,389,000 OC. 39,321,456,894,720 O D. 505,437,626,163,600

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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