Question
The Consumer Reports National Research Centre conducted a survey of 1100 adults to learn about their major health-care concerns. The survey results showed that 610
The Consumer Reports National Research Centre conducted a survey of 1100 adults to learn about their major health-care concerns. The survey results showed that 610 of the respondents lack confidence they will be able to afford health insurance in the future.
- Develop a 90% confidence interval for the population proportion of adults who lack confidence they will be able to afford health insurance in the future. (4 marks)
[Answer and show workings here]
- Develop a 95% confidence interval for this population proportion. (4 marks)
[Answer and show workings here]
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Elementary Algebra Graphs And Authentic Applications
Authors: Jay Lehmann
2nd Edition
0321923472, 9780321923479
