Author Question: A 90 confidence interval for p1 - p2 is (0.05, 0.002). Which of the following is the 95 confidence ... (Read 50 times)

2125004343 · **on:** Jul 24, 2018

A 90 confidence interval for p1 - p2 is (0.05, 0.002). Which of the following is the 95 confidence interval calculated from the same data?
1.(0.058, 0.005)
2.(0.055, 0.003)
3.(0.003, 0.055)
4.(0.005, 0.058)
5.(0.01, 0.06)

Question 2

The standard deviation of p1 - p2 used in the large sample test of p1 - p2 is the same as the standard deviation used in the large sample confidence interval for p1 - p2.
1.True
2.False