STAT 203 Midterm: STAT203 Midterm 2017 Spring
24 Oct 2018
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You have exactly 50 minutes to complete this exam. This test has 7 pages including this one. That means no digital translators and no phones. You are allowed to bring a double-sided a4 size aid-sheet of your own writing. It shows understanding, and that"s what"s being tested. If you get stuck on a part, don"t abandon the question. Often later parts can be answered without earlier ones. Ask about any words you don"t know. If it"s not related to statistics, you will likely get an answer. You have studied; you are an expert in this. Try not to panic, it rarely helps. Question 1: describe the distribution in the graph, (4 points total, 2 per graph) Question 2: compute the probabilities below (6 pts total) A and b are indepedent: pr(not a) (1 pt, pr(a and b) (1 pt, pr(a or b) (2 pts, pr(not a and not b) (2 pts)
