Question 1
Let X be a normal distribution with X = 69. If P(X > 90) = 0.1330, then what is the value of P( 69 < X < 90 ) ?
Answer:
(0.3670)
Question 2
Let Z be the standard normal distribution. Recall
2002 by The Arizona Board of Regents
for The University of Arizona.
All rights reserved.
Business Mathematics II
SOLUTIONS
FOR STUDY GUIDE 1
The following questions explore parts of the material whic
Question 1
A company has a monopoly on the production and sale of widgets. The demand function for widgets is D(q) = -0.25q +
160 . The company's fixed cost for producing widgets is $6000 , and it cos
BusinessMathematicsII
Homework6
for
Math 115b, Sections:
Instructor: Ratnayaka
Due Date:
by
Team:
(Number)
We, the undersigned, affirm that each of us participated fully and equally in the completion
BusinessMathematicsII
Homework5
for
Math 115b, Sections:
Instructor: Ratnayaka
Due Date:
by
Team:
(Number)
We, the undersigned, affirm that each of us participated fully and equally in the completion
BusinessMathematicsII
Homework4
for
Math 115b, Sections:
Instructor: Ratnayaka
Due Date:
by
Team:
(Number)
We, the undersigned, affirm that each of us participated fully and equally in the completion
BusinessMathematicsII
Homework3
for
Math 115b, Sections:
Instructor: Ratnayaka
Due Date:
by
Team:
(Number)
We, the undersigned, affirm that each of us participated fully and equally in the completion
BusinessMathematicsII
Homework2
for
Math 115b, Sections:
Instructor: Ratnayaka
Due Date:
by
Team:
We, the undersigned, affirm that each of us participated fully and equally in the completion of
this a
BusinessMathematicsII
Homework1
for
Math 115b, Sections:
Instructor: Ratnayaka
Due Date:
by
Team:
We, the undersigned, affirm that each of us participated fully and equally in the completion of this a
Question 1
A company has a monopoly on the production and sale of widgets. The demand function for widgets is D(q) = -0.28q +
152 . The company's fixed cost for producing widgets is $7400 , and it cos
Question 1
A company has a monopoly on the production and sale of widgets. The demand function for widgets is D(q) =
0.0001q2 0.073q + 210 . The company's fixed cost for producing widgets is $4500 , a
Question 1
Use Excel, with h = .00001 , to compute MC(900) for buffalo dinners. Use the cost function C(q) from Slide #42 of the
powerpoint text ( MBD 2 Proj 1.pptx ).
Use at least eight decimal place
Question 1
Let X be the continuous random variable with p.d.f. given by :
Use Integrating.xlsm to compute V(X), and round your answer to four decimal places.
Write out the p.d.f. formula using the fra
Question 1
Let X be a random variable whose p.m.f. is given below :
x
-7
-1
4
12
15
fX(x)
0.20
0.31
0.14
0.10
1 - [0.20 + 0.31 + 0.14 + 0.10]
Use Excel to compute V(X) .
Answer:
Round your answer to t
Business Mathematics II (115B)
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
Business Mathematics II (MATH 115B)
STUDY GUIDE 1
The following questions explore parts of the material which will be covered on Test 1.
Questions 1-11 refer to the following data. The manager of a sm
MAT-115B
Quiz/Test Preparation Worksheet
1. True or False: if marginal revenue is greater than marginal cost, then profit is increasing at that production level.
2. True or False: if marginal revenue
Question 1
Let X be a binomial random variable with n = 40 and p = 0.69 . Compute E(X) . Express your answer to the nearest two
decimal places.
Answer:
(27.60)
Question 2
Consolidated Widgets Inc. has
Question 1
A company has a monopoly on the production and sale of widgets. The demand function for widgets is D(q) = -0.23q + 160 . The company's fixed cost for
producing widgets is $7000 , and it cos
Question 1
Use Excel, with h = .00001 , to compute MC(521) for buffalo dinners. Use the cost function C(q) from Slide #42 of the
powerpoint text ( MBD 2 Proj 1.pptx ).
Use at least eight decimal place
Formulas
R(q) = q D(q)
q0 0
P (q ) = R (q ) C (q )
f ( x)
MP(q) = MR(q ) MC (q)
f ( x + h) f ( x h) 2h
S n ( f , [a, b]) = f (mi ) x
i =1 n
D(q) dq q0 D(q0 )
xi = a + i x
mi =
x =
ba n
xi 1 + xi 2
0
Business Mathematics II
Special Team HW
Prepared for
Math 115b, Section _
Instructor :Ratnayaka
University of Arizona
By
Team #
Submitted on
Date: _
We, the undersigned, affirm that we all participate
Data on test markets and costs for a product are given below.
Potential
national
market:
350,000,000
Test Markets
Market
Number
1
2
3
4
5
6
Market Size
144,900
4,627,600
1,049,800
2,946,500
5,042,300
Project 1-Recommendations
Goals
1. What price should Card Tech put on the drives,
in order to achieve the maximum profit?
2. How many drives might they expect to sell at
the optimal price?
3. What max
1) Find the errors
2) Find the WC
3) Find the WB
4) An approximation of the graph of f(a) is given below.
Company 1
4.0
3.0
f (a )
2.0
1.0
0.0
-1.0
-2.0
0
10
20
30
40
50
a
Assuming that all other comp
Type
Description
Probability Distribution
Func.
Cumulative Distribution
Func.
Finite
Random
Variable
Finite discrete-it can
take on only finitely
many possible
values (ex: X =
0,1,2, or 3). In this
ca