. In a clinical test with 2440 subjects, 70% showed improvement from the old treatment. While in a clinical test with another 2310 subjects, 75% showed improvement from the new treatment. Construct a 95% confidence interval to estimate the difference of the two population proportions
Added by Gloria E.
Step 1
First, we need to find the sample proportions for each group. For the old treatment group, we have 2440 subjects and 70% showed improvement. So, the sample proportion for the old treatment group is: p1 = 0.70 For the new treatment group, we have 2310 subjects Show more…
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