If (14.5, 33.708) is a 95% confidence interval for a population mean, which of the following would be a 98% confidence interval calculated from the same set of sample data that was used to create the 95% confidence interval above? Round your answer to three decimal places.
a-(12.707, 35.501)
b-(12.809, 39.191)
c-(11.482, 36.726)
d-(14.617, 31.683)
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