Unit 1 AND/ Unit 2 Probability
Find the slugging average for a player with the following statistics: S = 58 D = 45 T=5 HR = 17 AB = 330
0.700
What is the difference between primary and secondary data.
Primary- Got from the source
Secondary- Got from a second hand source
What is Slope Intercept form?
Y=MX+B
Draw graphs depicting positive, negative and no correlation
Draw on Paper
Connor invested $3,500 in an account paying an interest rate of 1.5% compounded annually. Assuming no deposits or withdrawals are made, how much money, to the nearest dollar, would be in the account after 16 years?
$4,441
All 5-digit zip codes in the United States are assigned by region. In Texas, all zip codes begin with the number 7 while the second digit is restricted to numbers from 5 to 9. There is no restriction on the remaining digits. How many zip code combinations are possible in Texas?
5,000
Find standard deviation of the following numbers:
10, 18, 16, 25, 34, 12, 14, 18, 15, 50
11.64
Arithmetic Sequences have a Common ________ ?
Difference
Y=100(Sin(2(X+3))+200
Identify A,B,C, and D
A=100
B=2
C=-3
D=200
Casho is going to invest in an account paying an interest rate of 2.4% compounded annually. How much would Casho need to invest, to the nearest ten dollars, for the value of the account to reach $50,000 in 5 years?
$44,410
. The American Red Cross says that about 30% of the U.S. population has Type O blood, 20% Type A, 5% Type B, and the rest type AB.
Has Type AB blood?
Has Type A or Type B?
AB-45%
Type A or Type B- 25%
Determine if the variables listed below are quantitative or categorical
Months in a year _________________________
Zip codes in USA ________________________
Months in a year:
Categorical
Zipcode:
Quantitative
Geometric Sequences have a common ________ ?
Ratio
In the graph above , if x= (8, 6.5), y= (10, 3.5) and z= (12, 6.5) what is the period of the wave_?
Period: 4
Elizabeth is going to invest in an account paying an interest rate of 4.4% compounded quarterly. How much would Elizabeth need to invest, to the nearest dollar, for the value of the account to reach $189,000 in 16 years?
$93,840
Find the width and height of an older 27-inch television whose screen has an aspect ratio of 4:3. Find the area of this screen.
In a recent student, students chose following as their favorite snack
Peanuts=6 Chips=7 granola bar= 4, pretzel= 2 Fruit = 4
What percent likes Chips?
30.4%
3. A good way to portray a bivariate relationship is with a
a. table of means
b box plot
c. stem and leaf display
d. scatter plot
Scatter Plot
Speed
John puts $200 every month into a retirement fund that earns 5 % interest compounded monthly. How much money will he earn after 10 years.
$31,056
Musical Styles other than rock and pop are becoming more popular. A Survey of college students finds that the probability they like only Country music is .50. The probability that they liked only jazz is .20 percent and that they liked both is .20. What is the probability that they like country or jazz?
70% -Only Country 50% + Only Jazz 20%
Define: a. Simple random sampling b. Stratified random sampling c. Systematic sampling d. Cluster sampling e. Convenience sampling
a. Simple Random Sampling
A sampling method where every member of the population has an equal chance of being selected.
b. Stratified Random Sampling
A sampling method where the population is divided into groups (strata) with similar characteristics, and random samples are taken from each group.
c. Systematic Sampling
A sampling method where members are selected at regular intervals, such as every 5th or 10th person.
d. Cluster Sampling
A sampling method where the population is divided into clusters, some clusters are randomly chosen, and all members of the selected clusters are studied.
e. Convenience Sampling
A sampling method where individuals are selected because they are easy to reach or readily available.
4.When the ratio of a term with its previous term is always constant, the data displays
a. a linear relationship
b. a straight-line relationship
c. a quadratic relationship
d. an exponential relationship
D. an Exponential relationship
Give an example of a real world scenario that could be modeled by a Piece-Wise function.
Electricity Bill from a Company
Blaine wants to have $4,000 in 15 years. The following are the choices in which he can
invest:
• a savings account earning 4% compounded quarterly,
• a checking account earning 2.5% compounded monthly, or
• a money market account earning 3.5% compounded semiannually.
Blaine plans on making no withdrawals or deposits for 10 years. Based on this, which is the best investment for him?
savings account earning 4% compounded quarterly