Let n be a positive integer. Suppose we choose a sequence i1, 12,..., in of integers between 1 and n at random. (a) What is the probability that the sequence contains exactly n - 2 different integers? (b) What is the probability that the sequence contains exactly n - 3 different integers?
Let n be a positive integer. Suppose we choose a sequence i1, 12,..., in of integers between 1 and n at random. (a) What is the probability that the sequence contains exactly n - 2 different integers? (b) What is the probability that the sequence contains exactly n - 3 different integers?
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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