Here
is the Final
Practice Test.
Remember, the final is on Dec. 17, 2008, in this class 160F, fro,
2:00-5:00pm.
Bring your own calculators, but not the ones with graphing or
business/financial properties.
Good luck, and happy holidays.
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Today,
Monday 11/24/2008, we finished sections 8.5
and 8.6.
Then, we began working on Practice Test 4.
Remember: One version of question 11 from practice test 4 has a
rounding error.
If you get the version that
asks, "...probability of exactly x (x is
going to be a number)...",
when you calculate the probability do not round up.
If the probability is 0.226497307, keep the first 4 digits and you
should get the right answer.
If you get .226422901, here rounding down is ok, you'll get the right
answer.
Study well.
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Good
news to everyone :
11/21/08: All quizzes will reopen from 11/30 -
12/9.
(that's why no quizz grade
will be dropped)
11/20/08: One
version of
question 11 in Practice Test 4 has a rounding error.
If you get the version that asks, "...probability of exactly x (x is
going to be a number)...",
when you calculate the probability do not round up.
If the probability is 0.226497307, keep the first 4 digits and you
should get the right answer.
If you get .226422901, here rounding down is ok, you'll get the right
answer.
REMEMBER: You must
score a 60% (including extra credit) or better
on the final exam to eligible to pass the course.
FINAL EXAM:
Wednesday, 12/17 at
2:00pm, in class.
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Today,
11/19/2008, we reviewed Chebychev's inequality (from section 8.3)
with exercise #26 from the book and 2 problems from online quiz #11.
Then, we continued with section 8.4, the
Binomial Distribution.
And we did almost finish section 8.5, the
Normal Distribution.
(Attached, you will find the solution for all examples in this section,
up to "Applications of the Normal Distribution".)
For
the next lecture, please bring the Z-table,
as we will need it again for sections 8.5
and 8.6.
REMEMBER: You must score a 60% (including extra credit from the
practice final)
or better to eligible to pass the course.
Don't forget to take and complete your practice final in time,
since it is not going to be open until the final date.
Check with CASA for the deadlines.
FINAL EXAM: Wednesday, 12/17 at
2:00pm.
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Today, 11/17/2008, we did a couple of examples from
section 8.1
and 8.2.
Also we started section 8.3 and did
some examples there.
In section 8.2, there is this problem about finding the average value
of a drawn coin
from a box that contains quarters, nickels, dimes and pennies.
In class, I didn't explain this problem as good as I wanted to,
so here it is a clear and
clean version of such a problem, just click on the link
below:
mean
value of the drawn coin
as a pdf file. I hope it will be clear for everybody now.
For Wednesday lecture, please bring the Z-table,
as we will need it for
sections 8.5
and 8.6. Have a good one.
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Monday, 11/03/2008
!!!!Important!!!! The
formulas for TEST 3 will be provided to all of you,
but no name will be indicated. So you have to recognize what type of
formula is,
and use it carefully and appropriately. Good luck on your test.
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It's
been a while, since I haven't updated my website. Well, here is a
review on what we have done up to now:
We finished chapter 6 (multiplication
principle, permutations and combinations) last week.
Then we started chapter
7(probabilities), we have done 7.1-7.4 up to now.
Don't forget to schedule a date for your TEST 3, 11/05-11/08.
Test 3 will cover the following topics:
5.1-5.3:
1. Recognize a Math of Finance problem, do not solve.
2. Recognize a Math of Finance problem, do not solve.
3. Solve a Math of Finance problem.
4. Solve a Math of Finance problem with a down payment.
6.1-6.4: 5. Given a numbered Venn diagram, find
the number in a given set.
6. Given a word problem with 2 main sets, draw a Venn diagram to
help find the answer to a question.
7. Simple combo problem.
8. Simple perm problem.
9. Combo*Combo problem.
10. Combo problem, where the question is something like, "In how many
ways can at
most..." No use of the complement.
11. Combo problem, where the question is something like, "In how
many ways can at
least..." Here it's easier if they figure the complement and then
subtract from n(U).
7.1-7.4: 12. Given P(E^c), P(F), P(E^c U F),
etc, find some other probability. (Some thing similar to this.)
13. Probability using combos and multiplication principle (coin
problem), determine the
probability that exactly n heads occur.
14. Probability using combos, determine the probability that at
least... (no use of the complement.)
Here is a review for
test 3, together with the
solutions. Remember, this review will help you to understand
the above topics better, it doesn't mean that the test will be exactly
the same as it. Good Luck.
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On
monday and on wednesday we did sections 6.1 and 6.2.
We didn't have time to finish this example.
Don't forget about the HW 013,
that is due on Monday 10/13.
Makeup test 1 is on this Friday, 2:15pm at CASA.
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Today,
on 10/01, we had a review for the sections 5.1, 5.2 and 5.3.
We solved the homework problems from all 3 sections....
TEST 2 covers the material of these
sections:
1.3, 1.4 (break-even
only), 2.2 -
2.6, 3.2, 3.3.
Don't forget to take the test on the scheduled time.
If you can't shedule a test date because of unavailable spots,
then you will have a makeup test for it.
Quiz #1 and Quiz #2 were extended due to some server errors over the
weekend.
There is no reason to extend any other quizzes. You are responsible to
take them in time.
Don't leave the quizzes or practice tests at the last minute.
As you see, sometimes you just can be locked out and can't continue.
The extension dates of any tests, quizzes are done by the CASA.
They don't give extensions unless there is a good reason that affects
most of the students.
So this is all.
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GOOD NEWS:
There is an extension period for quizzes #1, #2. It will be 10/03
-10/05.
Today, on 09/29, we did a review of formulas of simple interest
from section 5.1.
Then, we jumped into section 5.2 and 5.3, where
there are a lot of definitions involved.
(the definitions are so like to each other that one might be confused).
So, here are the most important definitions you need to know:
Simple Interest
Interest that is computed on the
original principal only is called simple interest.
Formula: I =
Prt.
where P = principal, r = rate, t
= time (in years)
The sum of the principal and
interest after t years is called the accumulated amount.
Formula: A = P
(1 + rt).
Compound Interest
Earned interest that is
periodically added to the principal
and thereafter itself earns
interest at the same rate is called compound interest.
Future Value
with compound interest Formula:
A= P(1+i) ^n,
A
stands for the Future Value or the accumulated amount at the end
of n conversion periods.
A conversion period refers to the interval of time
between successive interest calculations.
P stands for the Present Value or
principal.
r stands for the interest rate per year.
m stands for the number of conversion
periods per year.
t stands for time (in years).
Present
Value with compound interest formula: P = A (1+i)^{-n}.
Effective Rate
Effective Rate of Interest
Formula: r_eff
= (1 + r/m)^m - 1.
where
r_eff is the Effective rate of
interest
r is the nominal interest rate
per year
m is the number of conversion
periods per year
An annuity is a sequence of payments made at
regular time intervals.
We will study annuities that are
subject to the following conditions:
1. The terms are given by fixed time
intervals.
2. The periodic payments are equal in
size.
3. The payments are made at the end of
the payment periods.
4. The payment periods coincide with the
interest conversion periods.
The Future Value of
an Annuity
The sum of all payment made and
interest earned on an account
is called the future value of an annuity.
The future value S of an annuity of n payments of R dollars each,
paid at the end of each
investment period into an account
that earns interest at the rate
of i per period, is
S
= R [ (1+i)^n - 1]/ i.
Present Value of an Annuity
The present value P of an annuity of n payments of R dollars each,
paid at the end of each
investment period into an account
that earns interest at the rate
of i
per period, is
P=R [1-(1+i)^{-n}] / i.
To Amortize means to pay off a debt by installment
payments.
Amortization
Formula
The periodic payment R on a loan of P dollars to be amortized over n periods
with interest charged at the rate
of i per period is
R = Pi / [1 - (1+i)^{-n}].
Sinking Fund
A fund that is set up
for a specific purpose at some future date is called a
sinking fund.
Sinking Fund Formula
The periodic payment R required to accumulate a sum of S dollars over n periods
with interest charged at the
rate of
i per period is
R
= iS / [(1+i)^n -1].
(Note: For a
better view of formulas, go to appropriate sections online or textbook.)
On the following links, you will find different
problems involving one of the above situations.
What
kind of problem is this?
And here you will find the hints to the above problems, just use the
formulas correct.
Solutions.
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Today,
on 09/24, we did homework exercises from section 3.3, and
section 5.1.
Please read carefully section 5.1 from the book.
The book provides all the details you might need to look at.
Use the book examples as a reference to do your homework 010, that is due monday.
There is going to be a makeup test for the students who missed TEST 1.
(there is no makeup for any practice tests you might have missed.)
The makeup test is on October 10,
2:15pm, at Garryson Gym.
Homework issues: To the students who can't see their homework
grade yet:
This is happening because it might be a late or early homework,
missing grade ID or bubble in wrong grading ID.
Don't go to CASA for your homeworks. Homeworks are graded there, but
if you have any questions about them, you should direct those to me
firstly.
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Today, on 09/22, we did sections 2.6, 3.2, 3.3.
We solved the homework problems from section 2.6.
DO NOT FORGET: You have 2
homeworks due Wednesday: HW 008 and
HW 009.
(
You can get the questions from your casa account, or from the web Assigned
Homeworks )
They are basically from sections 3.2 and 3.3 respectively.
I tried to give an idea about those 2 sections today in class.
In case you
missed end of last week's lecture and/or this week's lectures,
please view the flash files online at http://online.math.uh.edu/Math1313/
,
especially view the sections 2.5, 2.6, 3.2, 3.3. It will help a lot of
you
that are having trouble with the content of this class.
Test 2 is extended to 10/04.
Reschedule again if you need more time to study.
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Today, on 09/17, we did sections 2.4, 2.5, 2.6.
You don't have to turn in the homeworks that were due this week.
Do the homework that is due Monday, 09/22.
Quiz 1 and 2 will be extended to Friday, 09/26.
Practice Test 2 will remain the same date, up to 09/26.
If any change occurs, I will let you know.
Test 2 will
be on 09/23 -09/30 excluding Sunday.