Assignment: ST 260- Assignment 7- Sampling Distributions Questions Exercise 07.19 (Sampling Distribution of x) 2 0...

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Assignment: ST 260- Assignment 7- Sampling Distributions Questions Exercise 07.19 (Sampling Distribution of x) 2 0 Save Assignment Score: 22.22% Submit Assignment for Grading Question 5 of 9 Check My Work (5 remaining) In the EAI sampling problem, the population mean is $71,800 and the population standard deviation is $4000. For n=30, there is a 0.5064 probability of 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 60 is used (to 4 decimals)? b. Answer part (a) for a sample of size 120 (to 4 decimals). 9 O town May Check My Work (5 remaining) Assignment: ST 260- Assignment 7- Sampling Distributions Questions Exercise 07.19 (Sampling Distribution of x) 2 0 Save Assignment Score: 22.22% Submit Assignment for Grading Question 5 of 9 Check My Work (5 remaining) In the EAI sampling problem, the population mean is $71,800 and the population standard deviation is $4000. For n=30, there is a 0.5064 probability of 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 60 is used (to 4 decimals)? b. Answer part (a) for a sample of size 120 (to 4 decimals). 9 O town May Check My Work (5 remaining)