problemset7solution

problemset7solution - 645 . 1 = z So, 55 80 . 54 ) 20 90 *...

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PAM 210 Lecture 1 Problem Set 7 Posted: Monday, 31 st March, 2008 Due: Monday, April 7 th , 2008 Solve the following problems from the textbook: (Correct final answer receives full credit) 6.10 (25 points) Ans. For 95% Confidence interval, the corresponding value of 96 . 1 = z . So the C.I. is 7826 . 55 580 10 90 * 96 . 1 580 ± = ± 6.24 (25 points) Ans. For 90% Confidence interval, the corresponding value of
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Unformatted text preview: 645 . 1 = z So, 55 80 . 54 ) 20 90 * 645 . 1 ( ) ( 2 2 ≈ = = = m z n σ 6.28 a ) (25 points) Ans. For 98% Confidence interval, the corresponding value of 326 . 2 = z . The C.I. is 0002 . 0021 . 10 5 0002 . * 326 . 2 0023 . 10 ± = ± b) (25 points) Ans: 22 64 . 21 ) 0001 . 0002 . * 326 . 2 ( ) ( 2 2 ≈ = = = m z n...
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This note was uploaded on 09/23/2008 for the course PAM 2100 taught by Professor Abdus,s. during the Spring '08 term at Cornell.

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