Kizspy | Question: 18
(Choose 1 answer)
A sample of 20 college students had mean annual earnings of 3120 with a standard deviation of 677. Construct a 95% confidence population has a normal distribution.
Α. (1324, 1567)
Β. (2804, 3436)
C. (2657, 2891)
D. (2135, 2567)
E. None of the other choices is correct
Let to.05,191.73, 20.025 1.96, to.025,19 = 2.09
