Question

9.1.25-T Question Help A survey of 2275 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 418 have donated blood in the past two years. Complete parts (a) through (c) below (a) Obtain a point estimate for the population proportion of adults in the country aged 18 and older who have donated blood in the past two years. p- 0.184 (Round to three decimal places as needed.) (b) Verify that the requirements for constructing a confidence interval about p are satisfied. The sample can be assumed to be a simple random sample, the value of 41.198 which is greater than or equal to 10, and the sample size can be assumed to be less than or equal to 5% of the population s (Round to three decimal places as needed.) (c Construct and interpret a 90% confidence interval for the population proportion of adults ithe country who have donated blood in the past two years. Select the correct choice below and fill in any answer boxes within your choice Type integers or decimals rounded to three decimal places as needed. Use ascending order.) OA. we are %confident the pr portion of adults in the country aged 18and older who have donated blood in the past two years is between and B. There is a 1% chance the proportion of adults in the country aged 18 and older who have donated lood in the past two years is between and Click to select and enter your answer(s) and then click Check Answer. All parts showing Clear All

Answer 1