10 persons in a room are wearing badges marked I through 10. 3 persons are chosen at random and asked to leave the room simultaneously and their badge nos are noted. Find the probability that (a) the smallest badge number is 5. (b) the largest badge number is 5.

10 persons in a room are wearing badges marked I through 10. 3 persons are chosen at random and asked to leave the room simultaneously and their badge nos are noted. Find the probability that (a) the smallest badge number is 5. (b) the largest badge number is 5.

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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