NAME_ MAT174
TEST II
SHOW ALL YOUR WORK. LITTLE OR NO WORK MEANS LITTLE OR
NO CREDIT. IF YOU HAVE A QUESTION, RAISE YOUR HAND AND I
WILL VIST YOU. YOU HAVE THE ENTIRE PERIOD FOR THIS EXAM.
GOOD LUCK!
1. The p.m.f. of a finite random variable W is given in
The University of Arizona
Department of Mathematics
Math 115B Instructor Scott Clark
Name:
KEY
Quiz 2 (20 Points)
Directions: Show work to receive full credit. When finding a dollar amount, round to the nearest cent.
When finding a quantity, round to the
The University of Arizona
Department of Mathematics
Name:
KEY
Math 115B Instructor Scott Clark
Quiz 3 (20 Points)
Directions: Show work to receive full credit. When finding a dollar amount, round to the nearest cent.
When finding a quantity, round to the
The University of Arizona
Department of Mathematics
Name:
KEY
Math 115B Instructor Scott Clark
Quiz 4 (20 Points)
Directions: Show work to receive full credit. Round any decimal approximations to 4 decimal places.
1. (5 points) The following data constitu
The University of Arizona
Department of Mathematics
Name:
KEY
Math 115B Instructor Scott Clark
Quiz 5 (20 Points)
Directions: Show work to receive full credit. Round any decimal approximations to 4 decimal places.
1. Suppose you found that the exam scores
The University of Arizona
Department of Mathematics
Name:
KEY
Math 115B Instructor Scott Clark
Quiz 6 (20 Points)
Directions: Show work to receive full credit. Simplify all answers completely. If you are
required to state a formula for an integral, you sh
Business Mathematics II
Sample Midterm Examination 1
Solutions
12
1. (i) The predicted number of tests in 2002 is 1037 e0.11
3,882.
50
253,746.
(ii) The predicted number of tests in 2040 is 1037 e0.11
(iii) The number is probably irrelevant, since so
Business Mathematics II
SOLUTIONS
FOR STUDY GUIDE 1
The following questions explore parts of the material which will be covered on Test 2.
Questions 1-11 refer to the following data. The manager of a small city has records of
the numbers of injury automob
Business Mathematics II
SOLUTIONS
FOR STUDY GUIDE 2
The following questions examine parts of the material which will be covered on Test 1.
Questions 1-10 refer to the continuous random variable, X, whose p.d.f. and c.d.f. are
given below.
0 if x < 0
2
x
F
NAME_ MAT174 TEST I
Show all of the steps and all of the work that you use to solve each problem.
A list of formulas that you may find useful is provided on the last page of this test.
1. The following data was modeled by an exponential trend line.
(i)
Pr
The University of Arizona
Department of Mathematics
Math 115B Instructor Scott Clark
Name:
KEY
Quiz 1 (20 Points)
Directions: Show work to receive full credit. Round dollar amounts to the nearest $0.01 if necessary.
1. (6 points) The following data was mo