Unformatted text preview: (b) What can we assert with 98% confidence about the possible size of our error if we estimate the mean height of all college students to be 174.5 centimeters? Solution: (a) The 98% confidence interval is 50 9 . 6 326 . 2 5 . 174 ± (172.23, 176.77) (b) 50 9 . 6 326 . 2 = 2.27 Exercise 9.13...
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 Spring '11
 Qiu
 Normal Distribution, Standard Deviation, college students

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