Final Exam Dec 2007 omit 4,5,8,16,17,20,27,28,38,45-48, 52-55, 65, 72

Final Exam Dec 2007 omit 4,5,8,16,17,20,27,28,38,45-48, 52-55, 65, 72

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Math 1P98 Final Exam December 2007 page 1 of 21 THIS EXAMINATION PAPER WILL NOT BE PLACED IN THE LIBRARY. BROCK UNIVERSITY Final Examination: December 2007 Number of Pages: 27 Course: Math 1P98 Number of Students: 1234 Date of Examination: December 8 Number of hours: 3 Time of Examination: 2:00 -5:00 pm Instructors: D. Miners, S. D’Agostino, S. Yee, R. Kerman Name__________________________________ Student Number_________________ ________________________________________________________________ Write your name on the scantron sheet and shade in the corresponding boxes for your student number Remove the back page from the test. Take the paper clip and attach the scantron sheet to this scantron cover. It must stay there for the duration of the exam. You must fill in the scantron boxes during the exam, while doing the questions. One piece of coloured paper, containing hand writing and nothing glued, attached, printed or photocopied on this paper, and a non graphing calculator are the only aids permitted. Use or possession of unauthorized materials will result in a grade of zero for this examination. Also note that in order to pass this course you must obtain at least 30% on this examination. All answers are correct to 3 significant digits unless otherwise specified. The “none of the above” choice is sometimes the correct answer, but will be different than any of the other choices by at least 2 in the third significant digit.
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Math 1P98 Final Exam December 2007 page 2 of 21 Part A 1 mark for each question. Note that throughout the exam the words ‘test statistic‘ refer to the ‘standardized test statistic’ of the text book. This is the same terminology that has been used in your web assignments and written assignments. 1. A sample of 6 grapes on a stem have circumferences, 2.4, 2.5, 2.7, 2.7, 3.0, 3.2 cm. The standard deviation of these circumferences is a. 0.302 cm b. 0.091 cm c. 2.75 cm d. 0.298 cm e. none of the above. 2. A random grape is chosen from the cluster of the previous question. What is the probability that this grape has circumference of less than 3 cm? 3. In how many ways can these six different grapes be ordered so that they can be eaten one by one? The next three questions deal with the following diameters ( in metres) of puddles in a parking lot after rain: 0.6, 0.7, 0.7, 0.9, 1.2, 1.5, 1.9, 1.9, 1.9, 2.0, 2.0 2.2. 4. The first quartile of the diameters is
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