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Find a 95% confidence interval for the slope in each of the following settings. (Round your...

Find a 95% confidence interval for the slope in each of the following settings. (Round your answers to three decimal places.)

(a) n = 25, ? = 1.5 + 12.80x, and SEb1 = 75.10 Incorrect: Your answer is incorrect. , Incorrect: Your answer is incorrect.

(b) n = 25, ? = 15.0 + 4.80x, and SEb1 = 75.10 ,

(c) n = 100, ? = 1.5 + 12.80x, and SEb1 = 75.10 ,

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