EN.553.420 Midterm: Midterm 2 No Solutions Fall 2014
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: a point is selected at random on a line segment of length l. what is the probability that neither of the two line segments created is shorter than l/3. 2: a fair coin is ipped repeatedly. What is the probability that the fourth tail occurs before the 9th. Head? (write an exact expression. (you do not need to simplify to a single term or a decimal number. )
