Description
Please help me to answer all 15 questions Answer all of the following questions with your own work in either pen or pencil. Please indicate
all answers on this paper. Please clearly denote your answer. You may show your work and
you may use a calculator and no other electronic devices for answers on this test. Check your
work carefully before you hand in your paper which should include your name. Look over the
complete exam before you begin and try to spend a somewhat equal time on each problem.
Where it must apply round a final answer to the nearest .00001 . If your answer requires units
please exhibit them. Please do not leave any question blank. Any answer must be simplified.
Good Luck.
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Houston Community College
Test 1
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Test 1
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M1332
ver. q
2.1-2.4, 11.1-11.4
Answer all of the following questions with your own work in either pen or pencil. Please indicate
all answers on this paper. Please clearly denote your answer. You may show your work and
you may use a calculator and no other electronic devices for answers on this test. Check your
work carefully before you hand in your paper which should include your name. Look over the
complete exam before you begin and try to spend a somewhat equal time on each problem.
Where it must apply round a final answer to the nearest .00001 . If your answer requires units
please exhibit them. Please do not leave any question blank. Any answer must be simplified.
Good Luck.
1. A single number is chosen from the digits 1 through 30. Find the
probability that the number is an even number or a number divisible
by 3.
2. First- , second- , and third-place prizes are to be awarded in a
couples dance contest in which 34 contestants are entered. In how
many ways can the prizes be awarded?
3. From a deck of regular playing cards, one card is chosen at
random. Find the probability the card is a diamond or a face card.
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Houston Community College
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M1332
4.
Flip a fair two sided coin 4 times. Find the probability the first or
last flip is a tail.
5. Find the number of three digit numbers which are odd.
6. If a red and a blue fair six sided die are rolled what is the
probability the result is 8 or divisible by 3?
7. In a family of three children where there are no multiple births and
only a boy or girl is possible at each birth find the probability there
could be at least one girl.
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M1332
5 , 2 ,3 , 6 ,1 , 7 , A = 5 , 2 ,3 , 6 , B = 2 ,3 and
C = 5 ,1 , 3 find the following.
Let U =
8.
B A
9.
A U
/
/
/
( )
10. n B /
11.
B C
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Houston Community College
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M1332
R = U be the set of real numbers, N be the set of
natural numbers , W be the set of whole numbers, Z be
the set of integers, Q be the set of rational numbers, and
Let
H is the set of irrational numbers find the following sets.
12.
Z N
13.
H Q
/
14. In a club there are 7 women and 5 men. A committee of 3
women and 2 men is to be chosen. How many different ways are
there to do this?
15. A group of 10 students meets to plan a school function. All are
majoring in accounting or economics or both. Five of the students
are economics majors and 7 are majors in accounting. How many
major in both subjects?
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