teachers were selected and an independent random sample of 100 nurses were selected. Each person was asked if they currently have a second job. The results showed that 48 of the 150 teachers and 21 of the 100 nurses had a second job. Construct and interpret a 95% confidence interval for the difference in the proportion of all teachers and nurses that have a second job.
teachers were selected and an independent random sample of 100 nurses were selected. Each person was asked if they currently have a second job. The results showed that 48 of the 150 teachers and 21 of the 100 nurses had a second job. Construct and interpret a 95% confidence interval for the difference in the proportion of all teachers and nurses that have a second job.
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
Related questions
Question
In a social study, a random sample of 150 teachers were selected and an independent random sample
of 100 nurses were selected. Each person was asked if they currently have a second job. The results
showed that 48 of the 150 teachers and 21 of the 100 nurses had a second job. Construct and interpret
a 95% confidence interval for the difference in the proportion of all teachers and nurses that have a
second job.
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