to use the approprate appendix table or technology to answer this question. pose we are interested in the Annual Salary of Electronics Associated, Inc. (EAI) managers and we find 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 Sampling distribution of T r=730.30 P(51,300 SIS 52,300) P(I<51,300) 51,300 51.800 52,300 For parts (a) and (b), let the population mean be 51,800 and a= 4,000. (Round your answers to four decimal places.) What is the probability that x is within $500 of the population mean if a sample of size 6 is used? Answer part (a) for a sampie of size 120.

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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 t $500 of the population mean (see the figure below).
Sampling distribution
of T
O= 730.30
P(51,300 sxs 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 2s500 of the population mean if a sample of size 60 is used?
(b) Answer part (a) for a sample of size 12o.
Transcribed Image Text:MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER 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 t $500 of the population mean (see the figure below). Sampling distribution of T O= 730.30 P(51,300 sxs 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 2s500 of the population mean if a sample of size 60 is used? (b) Answer part (a) for a sample of size 12o.
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