3-digit numbers will be formed with the natural numbers from 1 to 5, without repeating any digit a) How many numbers can be formed? b) How many numbers can be formed that start with 4? c) If one of the 3-digit numbers is selected, what is the probability that it starts with 1 and has 4 in the second position?
3-digit numbers will be formed with the natural numbers from 1 to 5, without repeating any digit a) How many numbers can be formed? b) How many numbers can be formed that start with 4? c) If one of the 3-digit numbers is selected, what is the probability that it starts with 1 and has 4 in the second position?
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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3-digit numbers will be formed with the natural numbers from 1 to 5, without repeating any digit
a) How many numbers can be formed?
b) How many numbers can be formed that start with 4?
c) If one of the 3-digit numbers is selected, what is the probability that it starts with 1 and has 4 in the second position?
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