Question
In the general population,patients who are recovering from bronchial pneumonia normally take amean(average)of4.75daystoleave the hospital,with apopulation standard deviationof1.82days.Medicalpersonnel at a hospital are trying a newmedication
In the general population,patients who are recovering from bronchial pneumonia normally take amean(average)of4.75daystoleave the hospital,with apopulation standard deviationof1.82days.Medicalpersonnel at a hospital are trying a newmedication that is designed to ease breathing during recovery.What is not currently known is whether the new medication willimpact duration of hospital stay.The first sampleof25patients(n=25)towhom this medication was administered werereleased from the hospital in amean(average)of2.60days.Basedon this result,should the hospital conclude that there isa significant differencein duration of hospital stay because of the new medication?
Calculate the 99%confidence interval.Which 2values will be required to complete the following equation for the confidence interval?
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Algebra 1
Authors: Holt McDougal
1st Edition
0544102150, 978-0544102156
