Get personalized answers to your specific questions with IDNLearn.com. Get accurate and detailed answers to your questions from our dedicated community members who are always ready to help.
a major research organization conducted a national survey to determine what percent of Americans feel that things are getting better for them economically . Asking 1,200 residents called at random if their own economic situation was better today than last year, 45% reported that they were in fact better off than before. Estimate the standard error of the mean , find the 95% confidence interval for the population mean, find the 99% confidence interval for the population mean.
Sagot :
We are happy to have you as part of our community. Keep asking, answering, and sharing your insights. Together, we can create a valuable knowledge resource. IDNLearn.com is dedicated to providing accurate answers. Thank you for visiting, and see you next time for more solutions.
