(Solved): A survey of 2308 adults in a certain large country aged 18 and older conducted by a reputable pollin ...
A survey of 2308 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 413 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= 0.179 A (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 no(1-P) is 339.097, which is greater than or equal to 10, and the can be assumed to be less than or equal to 5% of the population size. (Round to three decimal places as needed.) (c) Construct and interpret a 90% confidence interval for the population proportion of adults in the 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. There is a OB. We are % chance the proportion of adults in the country aged 18 and older who have donated blood in the past two years is between % confident the proportion of adults in the country aged 18 and older who have donated blood in the past two years is between and sample size and
(a) Obtain a point estimate for the population proportion of oduls in the country agod 18 and older who have donated blood in the past tho years. p^= (Round to three decrmal places as needed.) (b) Verify that the requirements for constructing a confidence interval about p are soticled. 'a simple random sample, the vatue of Q^^(^(1−p^) ' is 33209r∗, which is 10, and the less than or equal to 5% of the (Round to three decimal places at needed.) (c) Construct and inferpret a 90% confidence intorval for the population proportion of aduts in the courtry who have donaled blood in the past two years. Select ine comect choice below and sill in any answer boxes within your choice. (Type integers or decimals rounded to three decimal places as needed Use ascending ondec) A. There is a \% chance the proporton of adults in the country aped 18 and odder who have donuted blood in the past twa years in between and B. We are $ confident the proporion of aduls in the courtry aged 16 and oider who have donated blood in the past bas years is between and