MATH 302 Study Guide - Midterm Guide: Ed Perkins
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Math go2 practice midterm 1 5o i utirog. Duration: 50 minutes: write your name and student id on every page, this examination contains four questions with weight 25 points each, write each answer very clearly below the corresponding question (use back of page if needed). Simptify your answer as much as possible (but answers may include factorials, or "choose" symbols): no calculators, books, notebooks or any other written materials are allowed, good luck! 2: lois sends her resume to 1000 companies she found at monster. com. Each company responds with probability 3/1000 (independently of what all other companies do)" l6t. R be the number of companies that respond" (a) compute e(r) (give an exact answer, not an approximation)" f i 1 4 b i n p t t t ) a l h = ) b d o. " " , e i n ) z n p = j fi (b) compute var(r) (give an exact answer, not an approximation).
