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Question 1- Learning to draw and label the
graphs correctly and then explaining the changes in the economy is
key to scoring high on this question.
Scenario
The Federal Reserve decreases the money supply in the United
States causing interest rates to increase.
Explain how the change in interest rates will affect United
States aggregate demand. (Make sure to include the determinant that
causes the change in aggregate demand in your explanation.)
Show and...

1. How many grams of CaCO3 will dissolve in 2.80
x102 ml of 0.040 M of Ca(NO3)2?
The Ksp for the CaCO3 is 8.7 x
10-9. Answer must be in scientific notation.
2. Calculate the molar solubility of AgCl in a 1.00 L solution
containing 20.0 g of dissolved CaCl2? Answer must be in
scientific notation.

3.(4 pts) A newly developed software is used to detect potential
threats in two differentsystems. The software is able to detect
threats with probability 0.6 in the first system.Independently of
it, threats in the second system is detected with probability
0.5.
a.Compute the probability mass function (pmf) of X, the number
of systems in which their threats were detected.
b.Draw a graph of its cumulative distribution function
(cdf).

For the next two problems (5. and 6.) you may refer to
the below chart of learning curve coefficients and multipliers or
you can calculate the coefficients using the formulas discussed in
the lectures. You will arrive at the same answer regardless of
which path you choose.
70%
75%
80%
85%
Unit
Unit
Time
Total
Time
Unit
Time
Total
Time
Unit
Time
Total
Time
Unit
Time
Total
Time
5
.437
3.195
.513
3.459
.596
3.738
.686
4.031
10
.306
4.932...

Describe each of the phases of the cell cycle and the important
events taking place in each. Be sure to include when
chromatin/chromosome number increases/decreases.

Suppose that the banking system has excess reserves of $10
million, the desired reserve ratio is 10 percent and the
currency drain ratio is 40 percent. By how much will the quantity
of money increase?
A) $28 million.
B) $50 million.
C) $22 million.
D) $40 million.
E) $12.5 million.

1.
(3 pts) All interns for Comcast are required to be tested for
drug use. The imperfect test
gives positive results (indicating drug use) for 80% of all
interns who actually use drugs
but also (incorrectly) for 3% of those who do not use drugs.
Suppose that only 10% of all
of these interns actually use drugs. If an intern is tested
negative, what is the probability
that he/she uses drugs?

A skydiver is at an altitude of 1,525 m. After 11.0 seconds of
free fall, he opens his parachute and finds that the air
resistance, FD, is given by the formula
FD = −bv, where b is a
constant and v is the velocity. If b = 100,and
the mass of the skydiver is 86.0 kg, first set up differential
equations for the velocity and the position, and then find the
following. (Assume air resistance is negligible prior to the...

Determinants of Interest Rate for Individual
Securities The Wall Street Journal reports that
the rate on 3-year Treasury securities is 7.90 percent, and the
6-year Treasury rate is 8.15 percent. From discussions with your
broker, you have determined that expected inflation premium is 3.40
percent next year, 3.65 percent in Year 2, and 3.85 percent in Year
3 and beyond. Further, you expect that real interest rates will be
3.95 percent annually for the foreseeable future. What is the
maturity...

1. Serendipity is an advantage for:
A. Focus Groups
B. Observation Techniques
C. In- Depth Interviews
2. The following are the disadvantages of Observation
technique:
A. The observed episode might not be the general behavior of the
individual
B. It is expensive
C. Two judges looking at the behavior might interpret the result
differently
D. Facial expressions might not reveal all
E. a,b,c
F. a,b,c,d
3. In these situations, it is better to observe than to ask:
A. How people...

(a)Show that the digital line can be obtained as a
quotient space that results
from a partition of R in the standard topology.
(b) Show that the digital plane, introduced in Section 1.4, can be
obtained as a
quotient space that results from a partition of R2 in the standard
topology.

1) In 2003, Motorola released a cell phone, the RAZR, that was a
breakthrough in design and major hit with customers. The engineers,
designers, and marketers involved came from all over the company.
They made decisions independently, including developing the project
objectives, the project budget, the project schedule and assigning
tasks. The project was finished ahead of schedule and under
budget.
A. This demonstrates that teams must contain mostly creative
professionals to succeed
B. This shows the value of autonomy...

Suppose that a patient with heart attack dies of the attack with
probability 0.05, and the survival of the patients are independent
of each other. Now we have 5 patients who suffer heart attack.
(2 points) Let Y be the number of patients that will
survive. What is the distri- bution of Y ? (Please clearly
give the name of the distribution and specify relevant
parameters.)
(2 points) what is the probability that all of the 5 patients
will survive？...

Placing the doorknob on the center will make it harder for you to
swing it open or close, why?

Police response time to an emergency call is the difference
between the time the call is first received by the dispatcher and
the time a patrol car radios that it has arrived at the scene. Over
a long period of time, it has been determined that the police
response time has a normal distribution with a mean of 8.0 minutes
and a standard deviation of 1.5 minutes. For a randomly received
emergency call, find the following probabilities. (Round your
answers...

Let's say you measure t1/2 to be 0.0124 seconds and
the resistance in the circuit is 105 Ohms. Then what is the
capacitance in micro Farads?
Capacitance =

For 1 kg of CO, calculate the hydrogen required and the
resulting products for ethylene (C2H4), isopropanol (C3H8O), and
pentane (C5H12) for Fischer-Tropsch synthesis.

Using Interest Factor Table
Ali invested $300,000 in a small project for an interest rate
of 8%. Four years later, he invested another $600,000 in the same
project but this time for an interest rate of 10%. What is the
total amount of money he is going to receive after 12 years of his
investment period?
Compressor that has the following costs are under consideration
for using in a new chemical plant. Using interest rate of 10% per
year. Calculate...

1. The natural rate of unemployment is:
a. the unemployment rate at which the economy is producing its
potential GDP. b. usually equal to 3 percent. c. equal to the
seasonal unemployment. d. defined by the government. e. the
unemployment rate when none of the work force is unemployed for
more than six weeks.
2. If the economy is already producing at its potential,
_____.
a. the spending multiplier is less than 1/(1 - MPC) in the long
run b....

A sample of size 10 is taken from the first population: Sample
mean of 101.2 and sample variance of 18.1
A sample of size 14 is taken from the second population: Sample
mean of 98.7 and sample variance of 9.7
a)In order to decide whether pooling is appropriate or not,
performing a test at α = 0.2 level of significance : Find the
rejection region.
b)In order to decide whether pooling is appropriate or not,
performing a test at α...

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