120 Source: The Harper's Index Book 12 24. Participation in Market Research Survey An ad- vertising firm has decided to ask 92 customers at each of three local shopping malls if they are willing to take part in a market research survey. According to previous studies, 38% of Americans refuse to take surveys. The results are shown here. At a= 0.01, test the claim that the proportions of those who are willing to participate are 5 ctiveness of randomly f part in such of cher of the equal. Mall A Mall B Mall C tive Will participate Will not participate 52 45 36 40 47 56 Total 92 92 92 enational Source: The Harper's Index Book. 2.2% section). ee large of birth. 25. Athletic Status and Meat Preference A study was done using a sample of 60 college athletes and 60 college students who were not athletes. They were asked their
120 Source: The Harper's Index Book 12 24. Participation in Market Research Survey An ad- vertising firm has decided to ask 92 customers at each of three local shopping malls if they are willing to take part in a market research survey. According to previous studies, 38% of Americans refuse to take surveys. The results are shown here. At a= 0.01, test the claim that the proportions of those who are willing to participate are 5 ctiveness of randomly f part in such of cher of the equal. Mall A Mall B Mall C tive Will participate Will not participate 52 45 36 40 47 56 Total 92 92 92 enational Source: The Harper's Index Book. 2.2% section). ee large of birth. 25. Athletic Status and Meat Preference A study was done using a sample of 60 college athletes and 60 college students who were not athletes. They were asked their
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 7E
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