College Math
Dr. Alex Pecheny
Practice Test 4
2006
Name: _
Change each percent to a decimal
1. 37% =
2. 3% =
3. 8.15% =
4. 0.23% =
Change each decimal to a percent
5. 0.17 =
6. 0.03 =
7. 0.0023 =
8. 3
Odds and Expectation
Odds.
In gambling establishments probabilities are often given in
terms of odds.
Let P(E) be a probability that event E will occur a success,
and P(E) event E will not occur a fai
USING SETS TO SOLVE PROBLEMS
190 drivers were asked whether they enjoy driving a car or minivan.
The results showed that
110 enjoy driving a car
90 enjoy driving a minivan
30 enjoy driving both a car
Find the equation, give the x-intercept, and the y-intercept. Then graph the equation.
2x+5y=10
To solve for x-intercept we find the point where the x crosses the axis point at 0.
2(x) + 5(0) = 10
2x
My wife and I were looking to purchase new furniture for our home after a move and apply for a line of
credit.
The store agrees to finance a line of credit for $4,000 with an interest of 19 % with no
Fill in each blank with the correct numerical response.
a) Since percentage is measured as a ratio of one hundred we know that 5% means 5 in every 100.
b) 25% means 6 in every 24.
To solve for this nu
FINITE MATH
Dr. Alex Pecheny
Practice Test 1
State whether each is true or false
1.
3 cfw_ 1, 2, 3, b, a, c _
3.
cfw_ 0,3, 5 cfw_ 0,1,2,3,5,6 _ 4.
cfw_ cfw_ 2 _
5.
cfw_ a,b,c cfw_ b,a,c
cfw_1,2,3,
Survey of College Math
Dr. Alex Pecheny
Name_
Practice Test 5
1. A certain community recorded 3000 births last year, of which 1450 were females. What
is the empirical probability that the next child b
Probability Problems. Practicing.
A womens clothing store owner buys from three companies: A, B,
and C. The most recent purchases are shown here:
Product
Company A
Company B
Company C
Total
Dress
24
1