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# You may need to use the appropriate appendix table or technology to answer this question_A researcher reports survey results by stating that the standard error of t...

## Question

###### You may need to use the appropriate appendix table or technology to answer this question_A researcher reports survey results by stating that the standard error of the mean is 20. The population standard deviation is 400_(a) How large was the sample used in this survey? 400(b) What is the probability that the point estimate was within +35 of the population mean? (Round your answer to four decimal places:)0.5468

You may need to use the appropriate appendix table or technology to answer this question_ A researcher reports survey results by stating that the standard error of the mean is 20. The population standard deviation is 400_ (a) How large was the sample used in this survey? 400 (b) What is the probability that the point estimate was within +35 of the population mean? (Round your answer to four decimal places:) 0.5468

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