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The Probability Rules

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A Courtyard Hotel by Marriott conducted a survey of its guests. Sixty-two surveys were completed. The data can be found in the attachment, based on the survey data, determine the following probabilities using the relative frequency of occurrence method:

a. What is the probability a customer either probably will or definitely will stay at a Courtyard again?

b. What is the probability the customer is on a business trip?

c. What is the probability that the customer previously has stayed at a Courtyard?

d. What is the joint probability of a customer being on a business trip and rating the hotel better than other hotels in the area?

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