You may need to use the appropriate appendix table or technology to answer this question. A researcher reports survey re
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You may need to use the appropriate appendix table or technology to answer this question. A researcher reports survey re
question. A researcher reports survey results by stating that the standard error of the mean is 20. The population standard deviation is 600. (6) How large was the sample used in this survey? (b) What is the probability that the point estimate was within a 30 of the population mean? (Round your answer to four decimal places.)
You may need to use the appropriate appendix table or technology to answer this