Assignment: 7.5 Practice (Practice) Questions Exercise 07.19 Algo (Sampling Distribution of x) 1. 2. = In the EAI sampling problem, the population mean is $71,600 and the population standard deviation is $4000. For n obtaining a sample mean within ±$500 of the population mean. Use z-table. a. What is the probability that is within $500 of the population mean if a sample of size 40 is used (to 4 decimals)? b. Answer part (a) for a sample of size 80 (to 4 decimals). Icon Key Assignment Score: 0.00% Save Submit Assignment ◄ Question 2 of 2 Hint(s) Check My Work 20, there is a 0.4246 probability of Hint(s) Check My Work
Assignment: 7.5 Practice (Practice) Questions Exercise 07.19 Algo (Sampling Distribution of x) 1. 2. = In the EAI sampling problem, the population mean is $71,600 and the population standard deviation is $4000. For n obtaining a sample mean within ±$500 of the population mean. Use z-table. a. What is the probability that is within $500 of the population mean if a sample of size 40 is used (to 4 decimals)? b. Answer part (a) for a sample of size 80 (to 4 decimals). Icon Key Assignment Score: 0.00% Save Submit Assignment ◄ Question 2 of 2 Hint(s) Check My Work 20, there is a 0.4246 probability of Hint(s) Check My Work
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Transcribed Image Text:Assignment: 7.5 Practice (Practice)
Questions Exercise 07.19 Algo (Sampling Distribution of x)
1.
2.
=
In the EAI sampling problem, the population mean is $71,600 and the population standard deviation is $4000. For n
obtaining a sample mean within ±$500 of the population mean. Use z-table.
a. What is the probability that is within $500 of the population mean if a sample of size 40 is used (to 4 decimals)?
b. Answer part (a) for a sample of size 80 (to 4 decimals).
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◄ Question 2 of 2
Hint(s) Check My Work
20, there is a 0.4246 probability of
Hint(s) Check My Work
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