Probability
Sample and Population
Division
Experiment and Theoretical Probability
Miscellaneous
100
What is the probability of rolling a 4 on a dice?
1/6
100
A school principal wants to see which subject the students in his school liked best. Which choice BEST represents a sample?
a) All the students in the school
b) The students in 3rd grade
c) The first 90 students who come into the school
d) The students who are getting a b in math
c) The first 90 students who come into the school
The most random and representative option!
100
How do you solve fraction division problems?
Keep Change Flip
100
What is Theoretical v. Experimental Probability?
Theoretical: What we think will happen.
Experimental: What did happen.
100
What do you get when you cross a porcupine with a turtle?
A slowpoke
200
A spinner has 8 equal parts. Each section is either green, red, blue, or yellow. What is the probability that the spinner will land on blue?
2/8 or 1/4
200
Of the 652 passengers on a cruise ship, 30 attended the magic show on board.
What is the sample?
What is the population?
Sample: 30
Population: 652
200
726/4
181.5
200
What is a compound event?
2 or more events occurring consecutively
200
What happened to the frog that parked illegally?
It got toad
300
What is the probability of spinning yellow and then landing on heads.
4/18 or 2/9
300
BONUS!!! Double the points!!!
Where did Ms. Sugarman go to college?
Michigan State 
300
1/8 / 2/5
5/16
300
A bag contains 14 green, 12 orange, and 19 purple tennis balls. Suppose a tennis ball is randomly selected and then replaced 75 times. How many orange tennis balls do you expect?
20 orange tennis balls
300
What do you call a computer superhero?
A screensaver
400
If a dice is rolled 120 times, approximately how many times will a "3" be rolled?
Explain the steps you used to determine the answer.
20 times
Since the probability of rolling a 3 is 1/6, we set up a proportion where the denominator of the second fraction is 120. To solve this, we find the scale factor is 20.
400
Zookeeper Craig spoke with anyone who came to the zoo between 8 and 9 am. He saw that only 5 people visited the snakes. If 930 people visit the zoo that day, how many people do you think will visit the snakes?
50 people total
400
7068/5
1,413.6
400
Danielle is buying a new phone. Her parents give her a few choices. She can choose either an iphone 12, 13, 14, or 15. She can also choose either silver, black, or white for the color. How many phone combinations can she choose from?
12 possible phone combinations.
400
Find the median and range of the following set:
{4, 17, 6, 6, 22}
Median: 6
Range: 18
500
A teacher has an equal number of jolly ranchers, suckers, twix, and milky ways in a box. What is the probability of selecting on that is NOT a jolly rancher?
3/4
or 0.75 or 75%
500
A school principal collected data from a random sample of 7th graders about their school lunch preferences. Her data is shown in the table below.
If there are a total of 320 7th graders at the school, approximately how many would prefer pizza?
224 students prefer pizza
500
You have 3/4 yard of pipe. How many pieces can you cut the pipe into if each piece must be 1/8 yard?
24/4
or 6
500
An artist mixes yellow and blue paint to make a shade of green. Below are some of the amounts he uses. Determine the missing value in the table.
25 ounces of blue paint.
The scale factor is 2.5, so 10 * 2.5 = 25.
500
What do bats do for exercise?
Acro-bat-ics