# Question: Arestaurant chain regularly surveys its customers about the quality of

Arestaurant chain regularly surveys its customers about the quality of the food and the quality of the service. The survey responses are summarized in the Exhibit 4.30 below. The relative frequencies are considered good estimates of the associated probabilities.

a. What is the probability that a randomly selected customer is satisfied with the service and rates the restaurant's food as poor?

b. What is the probability that a randomly selected customer is not satisfied with the service?

c. What is the probability that a customer who rated the food as poor was not satisfied with the service?

d. Are the service rating and the food rating related? You must use probabilities to prove your answer to this question.

a. What is the probability that a randomly selected customer is satisfied with the service and rates the restaurant's food as poor?

b. What is the probability that a randomly selected customer is not satisfied with the service?

c. What is the probability that a customer who rated the food as poor was not satisfied with the service?

d. Are the service rating and the food rating related? You must use probabilities to prove your answer to this question.

**View Solution:**## Answer to relevant Questions

Past experience shows that the probability that salespeople will exceed their sales targets in a given year is 15%, provided that they exceeded their targets in the previous year. If the probability of a salesperson ...Your company manufactures light bulbs. You know from past experience that the number of hours the bulbs will last is a normally distributed random variable, with a mean of 5,000 hours and a standard deviation of 367 hours. ...A shipment contains 5,000 circuit boards, and 30 of them are defective. Define x as the number of defective boards in two selections from the shipment. Build the probability distribution for x. (You may find it easiest to ...An official from the securities commission estimates that 25% of all investment bankers have profited from the use of insider information. If 15 investment bankers are selected at random, find the probability that: a. All 15 ...Suppose the random variable x is the number of magazines subscribed to by a Canadian household. The probability distribution for x is shown in Exhibit 5.39 below. a. What is the probability that a Canadian household ...Post your question