Question

In a study of 424 nonprofits nationwide, 85 indicated that turnover has been the biggest employment challenge at their organization Complete parts (a) through (c). a. Construct a 95% confidence interval for the population proportion of nonprofits that indicate turnover as the biggest employment challenge at their organization Sms (Type integers or decimals. Round to three decimal places as needed) b. Interpret the interval constructed in part (a). Choose the correct answer below. O A. With 5% confidence, the proportion of nonprofits that indicate turnover as the biggest employment challenge at their organization in the population is in this interval OB, With 95% confidence, the proportion of nonprofits that indicate turnover as the biggest employment challenge at their organization in the population is in this interval O C. With 5% confidence, the proportion of nonprofits that indicate turnover as the biggest employment challenge at their organization in the sample is in this interval O D. With 95% confidence, the proportion of nonprofits that indicate turnover as the biggest employment challenge at their organization in the sample is in this interval c. you wanted to conduct a follow-up study to estimate the population proportion of nonprofits that indicate turnover as the biggest employment challenge at the organization to within 0.03 with 95% confidence, how many nonprofits would you survey? A sample of nonprofits should be surveyed (Round up to the nearest Integer.)

Answer 1

Population proportion confidence Interval pa ft 2 (alg) | P (1-1) å da na sample proportion level of significance sample size cs 5 = O. 2oo472 xs 0. o q12 - 0.200 y_45. CT da 1-0.95 p=0.200 + z 0.900 x0i8 od 494 at 2(00gs) = 1.96 l using Normal table) p= 0.200 € 1.96 I o. goo po 800 454 0.800 I 0. 0381. Pa ast ce r ol, pa 10.238 1