You may need to use the appropriate appendix table or technology to answer this question. Suppose we are interested in the Annual Salary of Electronics Associated, Inc. (EAI) managers and we find that...

Extracted text: You may need to use the appropriate appendix table or technology to answer this question. Suppose we are interested in the Annual Salary of Electronics Associated, Inc. (EAI) managers and we find that for a sample of n = 30 managers, there was 0.5034 probability of obtaining a sample mean within + $500 of the population mean (see the figure below). Sampling distribution of T Or= 730.30 P(S1.300 sIS 52,300) P(T< 51,300)="" 51,300="" 51,800="" 52,300="" for="" parts="" (a)="" and="" (b),="" let="" the="" population="" mean="" be="" 51,800="" and="" o="4,000." (round="" your="" answers="" to="" four="" decimal="" places.)="" (a)="" what="" is="" the="" probability="" that="" x="" is="" within="" +$500="" of="" the="" population="" mean="" if="" a="" sample="" of="" size="" 50="" is="" used?="" 0.6212="" (b)="" answer="" part="" (a)="" for="" a="" sample="" of="" size="" 100.="">