Homework_10_Answer_Key - ' wouM be t o c ondude that +he m...

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' b) A Tipe 1 error wouM be to condude that +he mean diameter is no+- egual 3 inches when, in Sac+, if .to 3 inches. ATyp& II would conclude ha4 the . equal f-o 3 inches when, Sact, it is egwl something diGf erent. C) 83,000 a day price 05 a Type I because it is COS+ 05. having a problem- solving team that trying 5ix a non-existant pro b~em. .b) 8 &-=o.oas @&A Statistic Q There su6Sieient evidence Sor managec rneonc\t.de +hat average time b Sill customers' orders greater +han C days (goal not being met).
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r$ +he average )ime to Sill eustorners' orders is 6 days (null hypothesis is true), then the probabili)y 4 ge*lng data +hat contrndicts +his claim more strong\y lhan our data does 0.0031. ~ . dl The p-value represenfs She minimum significance level needed -to ceject Ho. Theregore, a o+ 0.0031 or greater would lead manager to conclude +ha+ mail-order business fills ~ustomers' in more than 6 days. . Nok: IS %>6.Y6 days, you reject H, at CS=O.O~S:
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O z&,a * zooas = 1-46 Reject Ho i5 IzcaleI > 1.96 . .
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This note was uploaded on 08/25/2010 for the course AEM 2100 taught by Professor Vanes,c. during the Spring '08 term at Cornell University (Engineering School).

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Homework_10_Answer_Key - ' wouM be t o c ondude that +he m...

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