Joe loves going out to eat at area restaurants. Her favorite foods are Mexican, Italian, Chinese and Thai. On average, Joe pays $10.00 for a Mexican meal, $15.00 for an Italian meal, $9.00 for a Chinese meal, and $11.00 for a Thai meal. Joe's eating habits are predictable: There is a 70% chance that today's meal will be a repeat of yesterday's and an equal chance that he will switch to one of the remaining three. How often does Joe eat Mexican food?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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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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Joe loves going out to eat at area restaurants. Her favorite foods are Mexican, Italian, Chinese and Thai. On average, Joe pays $10.00 for a Mexican meal, $15.00 for an Italian meal, $9.00 for a Chinese meal, and $11.00 for a Thai meal. Joe's eating habits are predictable: There is a 70% chance that today's meal will be a repeat of yesterday's and an equal chance that he will switch to one of the remaining three. How often does Joe eat Mexican food?

 

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