39
(Choose 1 answer)
(See picture)
A. 54/250
B. 19/90
C. 31/86
D. 60/290
Consider the following computer output.
Test and Cl for Two Proportions
Sample
1
2
X
54
60
N
250
Sample p
0.216000
290
0.206897
Difference = p (1)p (2)
Estimate for difference: 0.00910345 95% CI for difference: (-0.0600031,0.0782100)
Test for difference = 0 (vs not = 0): Z = ? P-Value
Compute the pooled proportion?
?
