In a study of 428 nonprofits nationwide, 88 indicated that turnover has been the biggest employment challenge at their organization.

a.	Construct a 95% confidence interval for the population proportion of nonprofits that indicate turnover as the biggest employment challenge at their organization.

.167 .244- correct answer

(Type integers or decimals. Round to three decimal places as needed.)

c.	If you wanted to conduct a follow-up study to estimate the population proportion of nonprofits that indicate turnover as the biggest employment challenge at their organization to within 0.03 with 95% confidence, how many nonprofits would you survey?

A sample of enter your response here nonprofits should be surveyed.

(Round up to the nearest integer.)