Given two independent random samples with the following results: n1=510x1=231 n2=728x2=139 Use this data to find...
Given two independent random samples with the following results: n1=510x1=231 n2=728x2=139 Use this data to find the 98% confidence interval for the true difference between the population proportions. Step 1 of 4 : Find the values of the two sample proportions, pˆ1 and pˆ2. Round your answers to three decimal places
Homework Answers
Solution :
From given that,
Step 1:
= x1 / n1 = 231 / 510 =
0.453
= x2 / n2 = 139 / 728 =
0.191
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