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The 95% confidence interval for the risk difference is (-0.077, -0.043). Compared to this confidence interval, a 98% confidence interval for the risk difference is:
The 95% confidence interval for the risk difference is (-0.077, -0.043). Compared to this confidence interval, a 98% confidence interval for the risk difference is:
a) half the width
b) wider
c) the same width
d) narrower
e) There is not enough information provided to decide
Thank you for helping answer the question.
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