topic: counting How many strings of five capital letters are there... a. if no letter can be repeated? b. if the string starts with G and letters can be repeated? c. if the string ends with A and letters cannot be repeated

topic: counting How many strings of five capital letters are there... a. if no letter can be repeated? b. if the string starts with G and letters can be repeated? c. if the string ends with A and letters cannot be repeated

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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Question

topic: counting

How many strings of five capital letters are there...
a. if no letter can be repeated?
b. if the string starts with G and letters can be repeated?
c. if the string ends with A and letters cannot be repeated

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Step 1: Discussing given strings data.

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Step 2: Using counting method solve question a

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Step 3: Solving question b using counting method.

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Step 4: solving question C using counting method.

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