EN.553.420 Midterm: Midterm 1 No Solutions Spring 2015
Document Summary
I agree to complete this examination without unauthorized assistance from any person, materials, or device. Answers are to be written clearly and concisely, and clearly labelled (for example, with a box drawn around the intended answer). Please answer each question on the page on which it is stated, using the back of the page if necessary. It is important to show and explain your work; your answer must be properly justi ed (with at least key words and phrases) to receive full credit. The total number of points possible is 100. 1: five boys and ve girls sit at random in a row. 2: a child mixes 10 good and three dead batteries. To nd the dead batteries, his father tests them one-by-one at random and without replacement. 3: let a and b be two independent events with p [a] = 0. 4 and p [a b] = 0. 64.
