Among the digits 1, 2, 3, 4, and 5 first one digit is chosen, then a second selection is made among the remaining four digits. Assume that all twenty possible results have the same probability. Find the probability that an odd digit will be selected at: (a) the first selection (b) the second selection (c) both times
Among the digits 1, 2, 3, 4, and 5 first one digit is chosen, then a second selection is made among the remaining four digits. Assume that all twenty possible results have the same probability. Find the probability that an odd digit will be selected at: (a) the first selection (b) the second selection (c) both times
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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Transcribed Image Text:Among the digits 1, 2, 3, 4, and 5 first one digit is chosen, then a second selection is
made among the remaining four digits. Assume that all twenty possible results have
the same probability. Find the probability that an odd digit will be selected at:
(a) the first selection
(b) the second selection
(c) both times
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