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Unformatted text preview: know that the change in weight must be positive. However, since numbers between 3.6 and 11 are relatively small, the change in weight is probably small. 7.44ab a) 2 05 . ) 5 . 1 ( 5 . 96 . 1 =384.16…round to 385 b) 2 05 . ) 44 . 1 ( 44 . 96 . 1 =297.5….round to 298 7.48 First note from the hint that s 20000 6 120000 . Also, the Zscore corresponding to a 99% confidence interval is 2.58. 2 1000 ) 20000 ( 58 . 2 =2662.56. .round to 2663...
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This note was uploaded on 02/04/2009 for the course STATISTIC 3011 taught by Professor Sally during the Spring '08 term at University of Minnesota Crookston.
 Spring '08
 Sally

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