Choose 6 letters from the 26-letter alphabet without replacement. Let N1 be the number of outcomes the word starts with X and N2 be the number of outcomes the word ends with Y. (a) Find the number of outcomes in N1 intersect N2. (b) Find the number of outcomes in N1 Union N2.

Choose 6 letters from the 26-letter alphabet without replacement. Let N1 be the number of outcomes the word starts with X and N2 be the number of outcomes the word ends with Y. (a) Find the number of outcomes in N1 intersect N2. (b) Find the number of outcomes in N1 Union N2.

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

Choose 6 letters from the 26-letter alphabet without replacement. Let N1 be the number of outcomes the word starts with X and N2 be the number of outcomes the word ends with Y.

(a) Find the number of outcomes in N1 intersect N2.

(b) Find the number of outcomes in N1 Union N2.

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