Kizspy | Question: 10
(Choose 1 answer)
(See picture)
Α. (3110, 4210)
Β. (4812, 5342)
C. (1987, 2346)
D. (2910, 3330)
E. None of the other choices is correct
A random sample of 40 students has a mean annual earnings of 3120.Assume the population standard deviation is 677. Construct the confidence interval for the population mean. Use a 95% confidence level.
Let 20.051.645, 20.025 1.96,t0.05,39 = 1.685,t0.025,39 2.023
