Multiple Choice
If the sample proportions were p1 = 12/50 and p2 = 18/50, the 95 percent confidence interval for the difference of the population proportions is approximately:
A) [-.144, +.244].
B) [-.120, +.120].
C) [-.298, +.058].
D) [-.011, +.214].
Correct Answer:

Verified
Correct Answer:
Verified
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