University of Minnesota - Twin Cities
Dr. Henry Liu
CE 3201 Homework #7 (Due April 2, 2008)
1. Problem 6.1 pp. 217, MKW.
University of Minnesota - Twin Cities 2. Problem 6.2 pp. 217, MKW.
Dr. Henry Li
University of Minnesota - Twin Cities
Dr. Henry Liu
CE 3201 Homework #5 (Due March 12, 2008)
1. Problem 5.1 pp. 167, MKW.
University of Minnesota - Twin Cities 2. Problem 5.3, pp. 167, MKW.
Dr. Henry
University of Minnesota - Twin Cities
Dr. Henry Liu
CE 3201 Homework #3 Solution 1. Problem 3.2 pp. 88, MKW.
University of Minnesota - Twin Cities
Dr. Henry Liu
2. Problem 3.8, pp. 88, MKW.
University
Problem 4
1. A data set including real and perceived waiting time is provided (data.xls on the class website). You are asked to estimate the coefficients ( 0 , 1 ) using Data-analysis software provide
Let D denote the number of people buying tickets. Let Pr[W] denote the probability of winning the prize. Then D is a function of Pr[W] and we denote that as D(Pr[W]). Pr[W], in turn, is a function of
University of Minnesota - Twin Cities
Dr. Henry Liu
CE 3201 Solution Homework #8 (Due April 16, 2008)
1. Problem 7.17 pp. 268, MKW.
University of Minnesota - Twin Cities
Dr. Henry Liu
2. Problem 7.28
University of Minnesota CE 3201 Introduction to Transportation Engineering Name Midterm #3 I. Multiple Choices & Short Questions (4 points for each, total 40 points).
Spring 2008 Dr. Henry Liu May 7,
University of Minnesota CE 3201 Introduction to Transportation Engineering Name Midterm #2 ID
Spring 2008 Dr. Henry Liu
I. Multiple Choices (4 points for each). Circle one letter in each question for
University of Minnesota CE 3201 Introduction to Transportation Engineering Name Midterm #1 I. Multiple Choices (4 points for each, total 40 points). Instructions: Circle one letter in each question fo
CE 3102 Fall 2008 Thought Problem 17 Signal Timing, and Estimating Means
In timing a traffic signal, the duration of a yellow interval should be such that it eliminates the dilemma zone, where a drive
CE 3102 Fall 2008 Thought Problem 16 Off Road
In traffic accident reconstruction, we often have to estimate or infer the values of unmeasured quantities, such as a vehicles initial speed, from quantit
CE 3102 Fall 2008 Thought Problem 15 From a number of laboratory tests on beams of A285 steel, the number of loading cycles to fatigue failure appear to be well-modeled by a lognormal distribution wit
CE 3102 Fall 2008 Thought Problem 14 Functions of Random Variables
15
Frequency
10
5
0 0 100 200 300
headway
The graph above shows a frequency distribution for vehicle headways on Irving Ave., between
CE 3102 Fall 2008 Thought Problem 13 Speeds on a road are normally distributed, with a mean of 38 mph, and a standard deviation of 6 mph. What is the 85th percentile speed on this road?
CE 3102 Fall 2
CE 3120 Fall 2008 Thought Problem 12 Footing Loads Suppose that a foundation engineer wanting to estimate the long-term settlement of a footing states that the total sustained load on the footing is t
CE 3102 Fall 2008 Thought Problem 11 Introducing the Normal Distribution An automobile manufacturer is considering recalling an automobile model to correct a manufacturing defect. Based on a sample of
CE 3102 Fall 2008 Thought Problem 10 Temperature Conversion Youve made a set of measurements of a lakes temperature, and found that they appear to vary randomly from day to day, with a mean of 12o Cel
CE 3102 Fall 2008 Thought Problem 9 Light Traffic and the Poisson Process A traffic engineer is designing a traffic signal for an intersection between a major street and a minor street. One of the con
CE 3102 Fall 2008 Thought Problem 9 Light Traffic and the Poisson Process A traffic engineer is designing a traffic signal for an intersection between a major street and a minor street. One of the con
CE 3102 Fall 2008 Thought Problem 8 Rare Events A 1-mile long section of rural highway has experienced 6 traffic crashes in the last 5 years. If statewide the probability a vehicle crashes while trave
CE 3102 Fall 2008 Thought Problem 7 Turning Volumes At an intersection of two one-way streets, vehicles arrive on the northbound approach and can either turn left or go straight through. If a total of
CE 3102 Fall 2008 Thought Problem 6 Waiting for a Bus (The Uniform Distribution) Suppose you take a bus to school, which you typically catch sometime between 7:00 AM and 9:00 AM. During this period, a
CE 3102 Thought Problem 5 Introducing Random Variables Two types of vehicles use a road, passenger cars and trucks. Observations have indicated that, over a 2-minute interval, the different frequencie
CE3120 Spring 2008 Thought Problem 4 Pile Driving When driving piles for footings or foundations you want the piles to extend from the surface down to bedrock. Sometimes, however, a pile will strike r
CE 3102 Fall 2008 Thought Problem 3b Prosecutors Fallacy? A crime has been committed, and the perpetrator left DNA evidence at the scene. A suspect has been identified, and a sample of the suspects DN
CE 3102 Fall 2008 Thought Problem 3 Bayes Theorem You recently started a new job as a construction engineer for a small design/construction firm. Past experience on your companys job sites indicates t
CE 3102 Fall, 2008 Thought Problem 2 Those of you whove taken CE 3201 might recall that traffic engineers get considerable use out of the stopping distance equation:
D = VT + V2 2 g
D = stopping dista