Andy is a restaurant owner. He believes 74% of his customers are satisfied with the food quality of his restaurant. From a random sample of 77 customers, what are the following probabilities? (Round to 2 decimal places for all z-values and round all other answers to 4 decimal places, if needed.) (a) What is the probability that less than 58 customers are satisfied with the food quality? (b) What is the probability that at least 58 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 72% and 796?
Andy is a restaurant owner. He believes 74% of his customers are satisfied with the food quality of his restaurant. From a random sample of 77 customers, what are the following probabilities? (Round to 2 decimal places for all z-values and round all other answers to 4 decimal places, if needed.) (a) What is the probability that less than 58 customers are satisfied with the food quality? (b) What is the probability that at least 58 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 72% and 796?
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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