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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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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