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1)Amanufacturerclaimsthatthemeanlifetimeofitsfluorescentbulbsis1000hours.Ahomeownerselects25bulbsandfindsthemeanlifetimetobe980hourswithastandarddeviationof80hours.Ifa=0.05,testthemanufacturer'sclaim. aa) Give the Ho and Ha and label which is the claim b) give thepvalue c) give your final decision about the claim.

1)Amanufacturerclaimsthatthemeanlifetimeofitsfluorescentbulbsis1000hours.Ahomeownerselects25bulbsandfindsthemeanlifetimetobe980hourswithastandarddeviationof80hours.Ifa=0.05,testthemanufacturer'sclaim.

aa) Give the Ho and Ha and label which is the claim

b) give thepvalue

c) give your final decision about the claim.

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