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The Starting Salary of Business Students in a University Is

Question 68

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The starting salary of business students in a university is known to be normally distributed. A random sample of 18 business students results in a mean salary of $46,500 with a standard deviation of $10,200. Construct the 90% confidence interval for the mean starting salary of business students in this university.


A) 46,500 ± 1.330(10,200/ The starting salary of business students in a university is known to be normally distributed. A random sample of 18 business students results in a mean salary of $46,500 with a standard deviation of $10,200. Construct the 90% confidence interval for the mean starting salary of business students in this university. A) 46,500 ± 1.330(10,200/ ) B) 46,500 ± 1.645(10,200/ ) C) 46,500 ± 1.734(10,200/ ) D) 46,500 ± 1.740(10,200/ ) )
B) 46,500 ± 1.645(10,200/ The starting salary of business students in a university is known to be normally distributed. A random sample of 18 business students results in a mean salary of $46,500 with a standard deviation of $10,200. Construct the 90% confidence interval for the mean starting salary of business students in this university. A) 46,500 ± 1.330(10,200/ ) B) 46,500 ± 1.645(10,200/ ) C) 46,500 ± 1.734(10,200/ ) D) 46,500 ± 1.740(10,200/ ) )
C) 46,500 ± 1.734(10,200/ The starting salary of business students in a university is known to be normally distributed. A random sample of 18 business students results in a mean salary of $46,500 with a standard deviation of $10,200. Construct the 90% confidence interval for the mean starting salary of business students in this university. A) 46,500 ± 1.330(10,200/ ) B) 46,500 ± 1.645(10,200/ ) C) 46,500 ± 1.734(10,200/ ) D) 46,500 ± 1.740(10,200/ ) )
D) 46,500 ± 1.740(10,200/ The starting salary of business students in a university is known to be normally distributed. A random sample of 18 business students results in a mean salary of $46,500 with a standard deviation of $10,200. Construct the 90% confidence interval for the mean starting salary of business students in this university. A) 46,500 ± 1.330(10,200/ ) B) 46,500 ± 1.645(10,200/ ) C) 46,500 ± 1.734(10,200/ ) D) 46,500 ± 1.740(10,200/ ) )

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