a) Assume that nothing is known about the percentage of adults who have heard of the brand. n= (Round up to the nearest integer.) b) Assume that a recent survey suggests that about 77% of adults have heard of the brand. n= (Round up to the nearest integer.) c) Given that the required sample size is relatively small, could he simply survey the adults at the nearest college? O A. No, a sample of students at the nearest college is a stratified sample, not a simple random sample, so it is very possible that the results would not be representative of the population of adults. B. No, a sample of students at the nearest college is a convenience sample, not a simple random sample, so it is very possible that the results would not be
a) Assume that nothing is known about the percentage of adults who have heard of the brand. n= (Round up to the nearest integer.) b) Assume that a recent survey suggests that about 77% of adults have heard of the brand. n= (Round up to the nearest integer.) c) Given that the required sample size is relatively small, could he simply survey the adults at the nearest college? O A. No, a sample of students at the nearest college is a stratified sample, not a simple random sample, so it is very possible that the results would not be representative of the population of adults. B. No, a sample of students at the nearest college is a convenience sample, not a simple random sample, so it is very possible that the results would not be
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.5: Interpreting Data
Problem 9E
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