Review Material
New Material
Newer Material
Old (Only if done)
100
13 people said they used facebook the most, and that amount of people made up 27.7% of the total number of people who took this survey. How many people took this survey overall?
47 people surveyed
100
There are 7 black balls, 3 green balls, 16 orange balls, and 5 blue balls. What is my probability to get a black/green/orange/blue if I pick one ball randomly each draw? List the 4 probabilities.
Black: 1/3
Green: 1/7
Orange: 16/21
Blue: 4/21
100
There is a house at the foot of the hill. It takes 21 yards to walk to the top of the hill from the house, but on sea level, it would take 15 feet to reach the same distance away on flat ground. If these two things are true, how many yards are you above sea level at the top of the hill?
20.396 yards above sea level
100
2, 2, 4, 6, 3, 7, 3, 5, 10, 3
1) Find the 5 number summary
2) Find the IQR
Min= 2
Q1= 3
Med= 3.5
Q3= 6
Max= 10
200
2 part question:
If the Taj Mahal resort has a miniature Taj Mahal that is 240 ft tall which is 25% of the size of the real one, how tall is the real one?
What is the ratio between the height of the replica compared to the real one?
960 ft tall, 1/4
200
On a colored wheel that is split into 8 pieces, there are 2 green, 1 yellow, 3 red, and 2 blue spaces. If I land on a yellow I get $50, if I land on a green I get $20, if I land on a blue I get $10, and if I land on a red I get nothing. What is my expected value in this situation?
$13.75
200
The escalator was measured to be 13 ft long. What is the slope of the escalator? Interpret the slope.
5 ft off the ground.
Rise/Run= 5/12= 0.417
The escalator goes up an average of 0.417 ft for every foot it moves horizontally.
200
A baseball store is interested in learning about the average number of baseballs owned per US household. They find the 2010 MBA Demographics book, which includes survey data for approximately 25,000 households. According to the survey, the average households has 4.2 baseballs. What is the PPSS?
POP: US households
PARA: average number of baseballs owned per US household
SAMP: 25,000 households
STAT: average households has 4.2 baseballs
300
Jerimiah has an orange farm that used to sell 633,000 oranges to the local markets per month. Now, they sell 1,092,000 oranges to local markets per month. By what percent did the number of oranges that they sold increase?
72%
300
To hire a bodyguard, you have to pay for the service fee and then pay per hour. The service fee for Officer McCree is $20 multiplied by how many years of service he has previously had which is 12. That is added to his hourly rate which is $15 per hour. How much does he get paid if he works an 8 hour shift?
$360 for the 8 hour shift
300
1. Create a dotplot for the following set of data:
17 students responded to a survey about how many texts they had on a certain day.
0, 3, 2, 0, 4, 5, 4, 3, 3, 1, 4, 6, 3, 0, 3, 2, 9
2. What can be considered an outlier?
3. What kind of skew is this dor plot?
Outlier: 9
Skew: Right skewed
300
In 2016, there were 3,400 US Wal-Mart stores with a total selling space of 470 million square feet of selling space and a total $344 billion in sales. In 2018, there were 6,700 US Wal-Mart stores with 680 million square feet in selling space. In 2016, what was the average selling space per store?
138,235.29 sq feet
400
Katarina runs a sword making business. In 2014 she charged $1,902 per sword on average. in 2018 she now charges $5,756 per sword on average. Set each coordinate with (x) as the year and (y) as the charge. What is the equation of the line of her sword price change? Interpret the slope.
Slope: 963.5
y=963.5x-1938587
Every year, Katarina's sword price went up by $963.5.
400
There are 45 people who collect Furbies at the Toy Collector Convention. The mean of the number of Furbies each person has is 1,203 Furbies. 14 people have more Furbies than the mean. What percent of people have more Furbies than the mean and what percent have less than the mean?
31.1% have more Furbies than the Mean
68.9% have less Furbies than the Mean
400
Running from Colorado’s Rocky Mountains to the Gulf of California, the Colorado River is 1450 miles long. Within the Grand Canyon National Park itself, the Colorado River’s 277 miles flow at an average speed of four miles per hour. On average, the Colorado River within the Grand Canyon is 40 feet deep.
a) How long would it take me to float down in my boat in the portion of the river that is in the Grand Canyon?
b) The whole length of the Colorado River is about what percent of the length of the Nile River (4258 miles) in Egypt?
69.25 hours/ 69 hours and 15 minutes
The Colorado River is 34.05% of the total miles of the Nile.
400
At In N Out burger, drinks come in four sizes: small (14 oz), medium (24 oz), large (34 oz), or extra large (44 oz). The average adult stomach has a capacity of 3 lbs. One pound is 16 oz. Assume average stomach capacity in the following problems: How many large drinks can you consume to fill your stomach?
1.4 large drinks
500
1) The average rainfall in May is what percent more than the lowest amount of rainfall?
2) What is the average rainfall for April, March, and June?
150% increase from June to May
500
Pico is really determined ant who searches for food for his colony. On his little legs, he traveled a total of 4,200 feet while searching in the span of one day.
1. What was his average speed in feet per hour?
2. Convert your answer to meters per hour (one meter is 3.28 ft)
175 ft per hour
53.35 meters per hour
500
Answer the question using the following information: IQR= 10.5, Min= 9.5, Q1= 23.1, Med 25.7, Max= 43.2. Find Q3.
Q3= 33.6
500
In 2016, there were 3,400 US Wal-Mart stores with a total selling space of 470 million square feet of selling space and a total $344 billion in sales. In 2018, there were 6,700 US Wal-Mart stores with 680 million square feet in selling space. If the US stores equal to 27% of all the stores in the world in 2018, how many are there in the world?
24,815 stores worldwide