STA107H5 Study Guide - Midterm Guide: Covariance, Probability Mass Function, Standard Deviation
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STA107H5 Full Course Notes
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Instructions: keep only your id, calculator, pencils, pens and erasers at your seat. Turn o your phone, and leave it in your bag at the front of the class. At the end of the test: close your test paper and remain seated without talking until all tests have been collected: unless a question states otherwise, show all your work. De ne any events or variables that you introduce. If you give a decimal answer, it should be correct to 4 decimal places: aids allowed: non-programmable calculator. There are 11 pages to this exam; this is page 1 of 11. Q1 q2 q3 q4 q5 q6 q7 total. There are 11 pages to this exam; this is page 2 of 11: (10 points) the following is the bivariate distribution of x and y : Show all work when answering the following. (a) find e(xy). Denote by z: the random variable xy .
