26. A panel of 4 is to be formed from 4 boys and 3 girls. If it must contain at least 2 girls the panel can be formed in: A. 9 ways C. 22 ways D. 30 ways B. 18 ways う7S。
26. A panel of 4 is to be formed from 4 boys and 3 girls. If it must contain at least 2 girls the panel can be formed in: A. 9 ways C. 22 ways D. 30 ways B. 18 ways う7S。
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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Solve Q26, 27 & 28 Showing detailly all steps
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