Andy is a restaurant owner. He believes 75% of his customers are satisfied with the food quality of his restaurant. From a random sample of 79 customers, what are the following probabilities? (Round your answers to four decimal places, if needed.) (a) What is the probability that less than 60 customers are satisfied with the food quality? (b) What is the probability that at least 60 customers are satisfied with the food quality? (c) What is the probability that the sample proportion of customers who are satisfied with the food quality is between 73% and 80%?

Andy is a restaurant owner. He believes 75% of his customers are satisfied with the food quality of his restaurant. From a random sample of 79 customers, what are the following probabilities? (Round your answers to four decimal places, if needed.) (a) What is the probability that less than 60 customers are satisfied with the food quality? (b) What is the probability that at least 60 customers are satisfied with the food quality? (c) What is the probability that the sample proportion of customers who are satisfied with the food quality is between 73% and 80%?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.8: Probabilities Of Disjoint And Overlapping Events

Problem 2C

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