The Zagat Restaurant Survey provides food, decor, and service ratings for some of the top restaurants across the United States. For 15 restaurants located in Boston, the average price of a dinner, including one drink and tip, was 48.6. You are leaving on a business trip to Boston and will eat dinner at three of these restaurants. Your company will reimburse you for a maximum of 50 per dinner. Business associates familiar with these restaurants have told you that the meal cost at one-third of these restaurants will exceed 50. Suppose that you randomly select three of these restaurants for dinner. a. What is the probability that none of the meals will exceed the cost covered by your company (to 4 decimals)? b. What is the probability that one of the meals will exceed the cost covered by your company (to 4 decimals)? c. What is the probability that two of the meals will exceed the cost covered by your company (to 4 decimals)? d. What is the probability that all three of the meals will exceed the cost covered by your company (to 4 decimals)?

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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The Zagat Restaurant Survey provides food, decor, and service ratings for some of the top restaurants across the United States. For 15  restaurants located in Boston, the average price of a dinner, including one drink and tip, was 48.6. You are leaving on a business trip to Boston and will eat dinner at three of these restaurants. Your company will reimburse you for a maximum of 50 per dinner. Business associates familiar with these restaurants have told you that the meal cost at one-third of these restaurants will exceed 50. Suppose that you randomly select three of these restaurants for dinner.

a.  What is the probability that none of the meals will exceed the cost covered by your company (to 4 decimals)?

 

b.  What is the probability that one of the meals will exceed the cost covered by your company (to 4 decimals)?

 

c.  What is the probability that two of the meals will exceed the cost covered by your company (to 4 decimals)?

 

d.  What is the probability that all three of the meals will exceed the cost covered by your company (to 4 decimals)?

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