Percents and Decimals
Probability
Sample Spaces
Making Predictions
Estimating with Percents
100
0.02 as a percent
What is 2%
100
Rolling a dice, the P(1,2)
What is 1/3
100
The number of possible outcomes
What is a sample space?
100
A method of collecting information
What is a survey?
100
60% of 27
What is about 15?
200
1.4 as a percent
What is 140%
200
Rolling a dice, P(not 1 or 2)
What is 2/3
200
Find the sample space of having the choice of a white or yellow shirt, and black or blue pants using a list
What has 4 possible outcomes?
200
Pat has 5 pink markers, 4 blue, 8 purple, and 3 black. Find the probability of picking blue. Then figure out how many markers out of 100 would be blue.
1/5 = x/100 x = 20 blue markers
200
19% of $53
What is $10?
300
38% as a decimal
What is 0.38
300
Two events in which either one or the other must happen, but cannot happen at the same time.
What are complementary events?
300
Draw a tree diagram representing the following situation: picking white or wheat toast with peanut butter, jelly, or butter.
Check each group.
300
7 out of every 10 students have a pet. What is the probability that a student does not have a pet. Then determine how many students out of 3,000 would not have a pet.
3/10 = x/3,000 x = 900 students would not have a pet.
300
75% of 33
What is 24?
400
175% as a decimal
What is 1.75
400
There are 5 blue marbles, 3 yellow, and 2 purple. Find the probability of picking a yellow marble in fraction, percent, and decimal form.
What is 3/10, 0.3, and 30%
400
Using the Fundamental Counting Principle, how many possible outcomes occur when a coin is tossed and a number cube is rolled?
What has 12 possible outcomes?
400
Steven won 2/5 video games he played. What is the probability of winning the next game?
40%
400
42% of Alaska's population lives in Anchorage. If the population is 648,818, about how many people live in Anchorage?
What is 260,000? Round to 650,000
500
The human body is 60% water, as a decimal.
What is 0.6
500
There is a 52% chance of rain. Identify the complement of this event, then find it's probability.
What is the chance it won't rain, and 48%.
500
Possible outcomes of flipping a dime, nickel, and quarter.
What has 8 outcomes?
500
75% of students will attend movie night tomorrow. If there are 120 students, how many will attend?
3/4 = x/120 x = 90 students will attend
500
In a recent survey, 81% of teens said their friends like to read and talk about books. Out of 1,095, how many teens read and talk about books?
What is 800 teens?
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