STAT 1040 Midterm: Fall.2010.Exam2.solns

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31 Jan 2019
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Do not open the exam until you are instructed to do so. Directions: you have 75 minutes to complete the exam, which has 100 total possible points. Where numeric answers are required, you must show your work to receive credit. The formulas given below and the table on the last page may be useful for some of the questions. Where calculations are required, round to two decimal places. Under your recitation leader"s name, circle your recitation time: # of draws 100% : evave = avebox, seave = sesum. # of draws 100: suppose that in a particular stat 1040 recitation section, there are 37 students, of whom 9 are left-handed and 28 are not left-handed. Again 2 students are selected at random without replacement. (a) (2 points) let event a be the rst student selected is female , and event b be.

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