Q.8 A computer program requires the user to enter a 7-digit registration code made up of the digits 1, 2, 4, 5, 6, 7, and 9. Each number has to be used, and no number can be used more than once. (i) What is the probability that the first three digits of the code are even numbers? (ii) What is the probability that the first three digits of the code are odd numbers?

Q.8 A computer program requires the user to enter a 7-digit registration code made up of the digits 1, 2, 4, 5, 6, 7, and 9. Each number has to be used, and no number can be used more than once. (i) What is the probability that the first three digits of the code are even numbers? (ii) What is the probability that the first three digits of the code are odd numbers?

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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Q.8 A computer program requires the user to enter a 7-digit
registration code made up of the digits 1, 2, 4, 5, 6, 7, and 9. Each
number has to be used, and no number can be used more than once.
(i) What is the probability that the first three digits of the code are
even numbers?
(ii) What is the probability that the first three digits of the code are
odd numbers?

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