2. Of the 5-digit numbers formed from the digits 1 to 9, without repeats, I pick one at random. Determine the probability that my number begins with 1 or 2 or ends with 2 or 3. Leave your probabilities in terms of P and factorials.
2. Of the 5-digit numbers formed from the digits 1 to 9, without repeats, I pick one at random. Determine the probability that my number begins with 1 or 2 or ends with 2 or 3. Leave your probabilities in terms of P and factorials.
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:2. Of the 5-digit numbers formed from the digits 1 to 9, without repeats, I pick
one at random. Determine the probability that my number begins with 1 or 2
or ends with 2 or 3.
Leave your probabilities in terms of Pm and factorials.
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