A store sells 7 different types of items: mugs, t-shirts, books, postcards, hats, socks and sweaters. There are 6 customers in the store and they cach buy one type of item at random. Calculate the probability that a) The customers cach purchase a different type of item. b) No customer purchases books or postcards. c) At least four customers purchase a mug. d) Three customers purchase the same type or nem and the other three customers purchase another same type of item. V

A store sells 7 different types of items: mugs, t-shirts, books, postcards, hats, socks and sweaters. There are 6 customers in the store and they cach buy one type of item at random. Calculate the probability that a) The customers cach purchase a different type of item. b) No customer purchases books or postcards. c) At least four customers purchase a mug. d) Three customers purchase the same type or nem and the other three customers purchase another same type of item. V

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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