Health-Care Survey.In the spring of 2017, the Consumer Reports National Research Center conducted a survey of 1007 adults to learn about their major health-care concerns. The survey results showed that 574 of the respondents lack confidence they will be able to afford health insurance in the future.

1.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.

2.Develop a 95% confidence interval for this population proportion.