A boy owns 10 pairs of pants, 5 shirts, 7 ties, and 8 jackets. (a) How many outfits can he wear to school if he must wear one of each item?    (b) How many outfits can he wear to school if he must wear pants, shirt and a jacket, but the tie is optional?

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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A boy owns 10 pairs of pants, 5 shirts, 7 ties, and 8 jackets.

(a) How many outfits can he wear to school if he must wear one of each item?   

(b) How many outfits can he wear to school if he must wear pants, shirt and a jacket, but the tie is optional?   
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