FINAL EXAM MAT122-2009Spring - l]y[AT I22 FINAL...

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l]y..[AT I22 FINAL EXAMINATION (vl) 4 N'I.ay 2009 Prof. V, Fatica SIGN THIS COVER PAGE AND ENTER YOUR SUID NUMBER BELOW. Name SUID READ AND FOLLOW TTIESE INSTRUCTIONS There are six (6) questions on this examination. Check that your exam booklet is complete, Answer the questions in the spaces provided in this exam booklet. Show work where possible; partial credit requires some correct and appropriate work. Calculators and formula cards are allowed, Other materials are not allowed, If you need scratch paper, ask one ofthe exam proctors. Do not write below this line, Question 1 (10) Question 2 (10) Question 3 (10) Question 4 (10) Question 5 (10) Question 6 (10) Total (60)
A certain soft-drink bottling machine is supposed to put 12 ounces of product into each bottle, In a recent quality control inspection, a sample of the contents of 25 bottles from this machine had a nrean of 1 L86 ounces and a standard deviation of .24 ounces. At the .05 level of significance test tre claim that the mean contents of all bottles from that machine is less than 12 ounces,

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