MAT122-2007Spring - MAT 122 Final Examination Version A 7...

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MAT 122 Final Examination Version A 7 May 2007 Prof. Vincent Fatica Signature _ SUID ---------------------- READ AND FOLLOW THESE INSTRUCTIONS There are seven (7) 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. Do not write below this line Question Value Score 1 14 2 14 I 3 14 4 14 I 5 14 II 6 14 7 16
1. 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 of25 bottles from this machine had a mean of 11.86 ounces standard deviation of ounces, At the .05 level of significance testthe claim thatthe mean contents of bottles from that machine is less than 12 ounces. .24 all

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