Question

In a survey of 1002 adults, a polling agency asked, "When you retire do you think you will have enough money to Ive comfortably or not of the 1002 surveyed, 531 stated that they were worried about having enou money to live comfortably in retirement Construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement. Click here to view the standard normal distribution table (page Click here to view the standard normal distribution table (page 2 Click here to view the cabin centical values Click here to view the table of critical values of the chi b ution Select the correct choice below and fill in the answer boxes to complete your choice (Use ascending order. Round to three decimal places as needed.) A. There is 90% confidence that the true proportion of worried adults is between O B. 90% of the population lies in the interval between and O C. There is a 90% probability that the true proportion of worried adults is between and and

Answer 1

The statistical software output for this problem is :

One sample proportion summary confidence interval: p: Proportion of successes Method: Standard-Wald 90% confidence interval results: Proportion Count Total Sample Prop. Std. Err. L. Limit U. Limit 531 1002 0.52994012 0.015767256 0.50400529 0.55587495

A) 0.504 and 0.556