A furniture company wants to know what percent of their customers are satisfied with the furniture they purchase. The company surveys 153 customers to gather feedback. Suppose that, in reality, 91% of all customers are satisfied with their purchase. 1. How are the collection of all sample proportions of samples of size 153 distributed? NO 0.91 ✓ 0.0231 2. What is the probability that fewer than 88% of those surveyed are satisfied with their purchase? o List the z-scores needed to calculate the result. If there is more than one z-score, separate the values with a comma. -1.30 o There is a 9.68 satisfied with ✓ o There is a 33.36 purchase. 3. What is the probability that more than 92% of those surveyed are satisfied with their purchase? o List the z-scores needed to calculate the result. If there is more than one z-score, separate the values with a comma. 0.43 satisfied with their purchase. chance that fewer than 88% of those surveyed are Submit Question 4. What is the probability that between 88% and 92% of those surveyed are satisfied with their purchase? o There is a 33.36 are satisfied with their purchase. x chance that more than 92% of those surveyed are o List the z-scores needed to calculate the result. If there is more than one z-score, separate the values with a comma. 0.43 chance that between 88% and 92% of those surveyed
A furniture company wants to know what percent of their customers are satisfied with the furniture they purchase. The company surveys 153 customers to gather feedback. Suppose that, in reality, 91% of all customers are satisfied with their purchase. 1. How are the collection of all sample proportions of samples of size 153 distributed? NO 0.91 ✓ 0.0231 2. What is the probability that fewer than 88% of those surveyed are satisfied with their purchase? o List the z-scores needed to calculate the result. If there is more than one z-score, separate the values with a comma. -1.30 o There is a 9.68 satisfied with ✓ o There is a 33.36 purchase. 3. What is the probability that more than 92% of those surveyed are satisfied with their purchase? o List the z-scores needed to calculate the result. If there is more than one z-score, separate the values with a comma. 0.43 satisfied with their purchase. chance that fewer than 88% of those surveyed are Submit Question 4. What is the probability that between 88% and 92% of those surveyed are satisfied with their purchase? o There is a 33.36 are satisfied with their purchase. x chance that more than 92% of those surveyed are o List the z-scores needed to calculate the result. If there is more than one z-score, separate the values with a comma. 0.43 chance that between 88% and 92% of those surveyed
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 3E
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