Please written by computer source

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. [EAl) managers and we find that for a sample of n = 30 managers, Where was 0.5034 probability of obtaining a sample mean within 1 $500 off the population mean [see the Figure below). Sampling distribution "1 730.30 P151 300 5 T 52.300) RT C 51.3001 51:300 51 800 52,30 "For parts (a) and (b), let the population mean be 51,600 and e = 4,090. (Round your answers to four decimal places.) (a) what is the probablyry that's is within : $ 500 of the population mean f a sample of size 50 is used? (0) Answer part (aj for a sample of site 100