A restaurant chain routinely surveys its customers. Among other question the sur

Question

A restaurant chain routinely surveys its customers. Among other question the survey asks each customer whether be or she would return and to rate the quality of food. Summarizing hundreds and thousands of questionnaires produced this table of joint probabilities. What proportion of customers say that they will return And rate the restaurant's food as good? What proportion of customers who say that they will return rate the restaurant's food as good? What proportion of customers who rate the restaurant 's food as good say that they will return?

Explanation / Answer

Answer to the questions:

1. Customers that will return and rate is GOOD = .35

2. From Cusomers who will return, who rate good = .35/(.35+.02+.08+.20) = .538

3. From customers who rate restaurants good, who return = .35/(.35+.14) = 5/7 = .714

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