01:59:50 A fashion designer wants to know how many new dresses women buy each year. A...

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Answer 1

Answer #1

solution Here n=231, a = 6:1, r=1 At 90% confidence Zd/ = 1.6us The 90%. C.I for u is I 2012 ( 72 ) = 6.4I 16us (523) = 6-12

Answer 2

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