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Suppose a random sample of size 60 is selected from a population with o -8. Find the value of the standard error of the mean in each of the following cases (use the finite appropriate) population correction factor i a. The population size is infinite (to 2 decimals). b. The The popuiation size is N-50,000 (to 2 decimals) c. The popuilation size is N- 5000 (to 2 decimals). d. The population size is N -500 (to 2 decimalis)
In the EAI sampling problem, the population mean is $51,400 and the pepuletion when the sample sice is n-20, there is a 0.4972 probability of obtaining a sample mean within+-$600 of the population mean a. What is the probability that the sample mean is within $600 of the population mean if a sample of size b. What is the probability that the sample mean is within $600 of the population mean if a sample of size 80 is used (to 4 decimals)?
math   Statistics-And-Probability   
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Answer #1

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