Construct the indicated confidence interval for the difference between population proportions p1 - p2. Assume that the samples are independent and that they have been randomly selected. 9) x1 =15, n1 = 50 and x2 = 23, n2 = 60; Construct a 90% confidence interval for the difference between population proportions p₁ - P2. A) 0.123
Construct the indicated confidence interval for the difference between population proportions p1 - p2. Assume that the samples are independent and that they have been randomly selected. 9) x1 =15, n1 = 50 and x2 = 23, n2 = 60; Construct a 90% confidence interval for the difference between population proportions p₁ - P2. A) 0.123
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Transcribed Image Text:Construct the indicated confidence interval for the difference between population proportions p1 - P2. Assume that the
samples are independent and that they have been randomly selected.
9) x1 =15, n₁ = 50 and x2 = 23, n2 = 60; Construct a 90% confidence interval for the difference
between population proportions P₁ P2.
A) 0.123<P1 P2 <0.477
C) -0.232P1 P2 <0.065
B) 0.477 <P1
P2<0.122
D) 0.151 <P1 P2 <0.449
9)
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