Consider the following two clinical trials concerning an investigational drug given for the treatment of cancer. #1: 100 people are administered the drug and 40 of the people respond. #2: 60 people...

Consider the following two clinical trials concerning an investigational drug given for the treatment of cancer. #1: 100 people are administered the drug and 40 of the people respond. #2: 60 people are administered the drug and 24 of those people respond. Both trials have a 40% response rate. Construct a 95% confidence interval for the response rate for each trial. Which trial has a narrower confidence interval?

a. Clinical trial #1

b. Clinical trial #2

c. The confidence intervals are the same width

d. Unable to determine without additional information