IME 254: Engineering Probability & Statistics I
Quiz 3
Name: _Solutionkey_
ID #: _
1) An insurance company believes that people can be divided into two categories; those who are
accident prone and those who are not. The companys statistics show that an ac
IME 254: Engineering Probability and Statistics I
Practice Exam 1 - Fall 2016
Solution Key
Name:
WSU ID:
22 multiple-choice problems:
3 open-ended problems:
Time allowed: 70 minutes (11:00 12:10 pm)
1
1) A sample of 26 measurements has a mean of 35.6 an
IME 254: Practice Problems
Chapter 4 - Solution key
Additional Problems:
1) A system consisting of 2 separate components is said to be a parallel system if it functions
when at least one component functions. In the parallel system below, component 1 funct
IME 254: Engineering Probability & Statistics I
Quiz 4
Name:
Solution Key
ID #:
1) The probability that a data communication system will have high selectivity is 0.72. The
probability that it will have high fidelity is 0.59. The probability that it will h
IME254: Practice Problems for Chapter 3
Solution key
1) If a fair die is rolled twice, what is the probability that the first roll will be a number less than or
equal to 4 and the second will be a number greater than 4?
Let E be the event that the first r
IME 254: Engineering Probability & Statistics I
Quiz 2
Name: _Solution Key_
ID #: _
1) The following stem-and-leaf display represents repair time (in hours) of 16
engines (leaf unit = 0.1), with a sample mean of 3.85 and a sample standard
deviation of 1.7
IME 254: Engineering Probability and Statistics I
Sample Exam 2 Fall 2016
Solution Key
Name:
WSU ID:
20 multiple-choice problems: 60 points
3 open-ended problems: 45 points
o Problem 1: 15 points
o Problem 2: 15 points
o Problem 3: 15 points
Total: 105
IME 254: Engineering Probability and Statistics I
Chapter 5 Practice Problems Solution Key
Additional Problems:
1) Let X be a continuous random variable uniformly distributed between a = 1 and b = 7. Find
( = 2)=0 (note that for a continuous random variab
IME 254: Engineering Probability and Statistics 1
Homework Problems: Chapters 1 and 2
Solution key
1) Eighteen measurements of the output voltage of a power supply are presented in the following steamand-leaf display (leaf units=0.01). The sample mean is
IME 254: Engineering Probability & Statistics I
k . Quiz 4!
Name: . < iD #:
1) Daily sales recorded for a co ter store show that it will sell 0, 1, 2, or 3 computers with
probabilities as listed below:
_ Number of daily sales
Probabilit
Let random var
IME 254: Engineering Probability & Statistics I
Quiz 6
Name: Sgimjb "QQ E CE 1D #:
1) In radiotherapy, radiation used to eradicate tumor cells in cancer patients. However, some
tumor cells may survive the radiation. Suppose the survival probability of a t