3. Of the three-digit numbers formed from the digits 1 to 9, without repeats, I select one at random. Determine the following probabilities: (a) Prob (my number is > 420) (b) Prob (my number begins and ends with even digits) (c) Prob (my number begins with an even digit or ends with an even digit)

3. Of the three-digit numbers formed from the digits 1 to 9, without repeats, I select one at random. Determine the following probabilities: (a) Prob (my number is > 420) (b) Prob (my number begins and ends with even digits) (c) Prob (my number begins with an even digit or ends with an even digit)

Name: need help with this practice question 3. Of the three-digit numbers fo
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Description: need help with this practice question 3. Of the three-digit numbers formed from the digits 1 to 9, without repeats, I select one atrandom. Determine the following probabilities:(a) Prob (my number is > 420)(b) Prob (my number begins and ends with eve

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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need help with this practice question

3. Of the three-digit numbers formed from the digits 1 to 9, without repeats, I select one at
random. Determine the following probabilities:
(a) Prob (my number is > 420)
(b) Prob (my number begins and ends with even digits)
(c) Prob (my number begins with an even digit or ends with an even digit)
Leave your probabilities as fractions in simplest form.

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