statistics fall2013 - midterm sample test 02

Vietnam National University – HCM Academic Year 2013 – 2014, Semester 01 International University Course: Statistics for Business Page 1 of 4 ---O0O--- MID-TERM EXAMINATION SAMPLE TEST 02 Duration: 120 Minutes Student ID: Name: Date: INSTRUCTIONS: 1. This is an open book examination. Answer multiple choice questions in exam question paper, answer writing in answer sheets provided. 2. Use of calculator is allowed. 3. Discussion and material transfer are strictly prohibited. PART I: Multiple Choice Questions (30%) Use the following to answer next 3 questions: From the interviews of 200 executives, we get: Location D E F G Finance A 10 24 8 14 Manufacturing B 30 6 22 12 Computer C 28 18 12 16 1. P(B ∩ E): ___________ 2. P(A│G): _____________ 3. P(C U F): _____________ Use the following to answer next 2 questions: Among the group of 20 students who registered for the statistic course, 8 of them are first-year students. 5 students are randomly selected from the group. 4. What is the probability that exactly 2 of the s elected students are first-year students? a) 0.1192 b) 0.3486 c) 0.3973 d) 0.3065 e) None of the above

statistics fall2013 - midterm sample test 02

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