Are blonde female college students more likely to have boyfriends than brunette female college students? 389 of the 637 blondes surveyed had boyfriends and 342 of the 630 brunettes surveyed had boyfriends. What can be concluded at the a = 0.10 level of significance?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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b. The test statistic [ z ▼
(please
show your answer to 3 decimal places.)
Transcribed Image Text:b. The test statistic [ z ▼ (please show your answer to 3 decimal places.)
Are blonde female college students more likely to
have boyfriends than brunette female college
students? 389 of the 637 blondes surveyed had
boyfriends and 342 of the 630 brunettes surveyed
had boyfriends. What can be concluded at the a =
0.10 level of significance?
Transcribed Image Text:Are blonde female college students more likely to have boyfriends than brunette female college students? 389 of the 637 blondes surveyed had boyfriends and 342 of the 630 brunettes surveyed had boyfriends. What can be concluded at the a = 0.10 level of significance?
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