A survey of 2320 adults in a certain large country aged 18 and older conducted by a reputable polling organization found

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A Survey Of 2320 Adults In A Certain Large Country Aged 18 And Older Conducted By A Reputable Polling Organization Found 1 (460.94 KiB) Viewed 37 times

A survey of 2320 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 427 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= (Round to three decimal places as needed.) (b) Verify that the requirements for constructing a confidence interval about p are satisfied. The sample a simple random sample, the value of is B. There is a which is 10, and the (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.) A. We are % confident the proportion of adults in the country aged 18 and older who have donated blood in the past two years is between % chance the proportion of adults in the country aged 18 and older who have donated blood in the past two years is between and less than or equal to 5% of the and