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A researcher reports survey results by stating that the standard error of the mean is 20. The population standard deviat
Posted: Wed Jul 06, 2022 12:19 pm
by answerhappygod
- A Researcher Reports Survey Results By Stating That The Standard Error Of The Mean Is 20 The Population Standard Deviat 1 (9.65 KiB) Viewed 13 times
A researcher reports survey results by stating that the standard error of the mean is 20. The population standard deviation is 460. (a) How large was the sample used in this survey? (b) What is the probability that the point estimate was within 25 of the population mean? (Round your answer to four decimal places.)