Vocabulary
Basic Probability
Experimental vs. Theoretical
Compound Events
Counting Principle
100
An event with a probability of 100% is ________.
CERTAIN
100
The likelihood of flipping a coin and getting heads as a FRACTION.
1/2
100
A 50 % chance of flipping heads is an example of ______________ probability.
THEORETICAL
100
The probability of flipping a coin twice and getting heads both times as a DECIMAL.
0.25
100
5 people are running a race. In how many different orders could the racers finish?
5! =120
200
The outcome of an experiment or trial is an _______.
EVENT
200
The chances of rolling a 3 on a regular die as DECIMAL.
0.1bar6
200
Flipping a coin 20 times and getting 11/20 heads is an example of ____________________.
EXPERIMENTAL PROBABILITY
200
The probability of rolling 2 dice and having the numbers match (rolling doubles).
1/6 or 0.1bar6 or 16.bar6%
200
What is the probability of choosing a meal that includes cola?
8/32 or 1/4 or 0.25 or 25%
300
The product of an integer and all the positive integers below it.
n!
FACTORIAL
300
The probability of drawing an N from the word "BEGINNING" as a PERCENTAGE.
33.bar3%
300
Based on the experiment, find the experimental probability of rolling a 4.
2/15 or 0.1bar3 or 13.bar3%
300
The probability that you roll a 5 and a 2.
1/24 or 0.041bar6 or 4.1bar6%
300
Probability of selecting a red car.
6/30 or 1/5 or 0.2 or 20%
400
A list of all the possible outcomes in an experiment is called the _________ __________. (2 words)
SAMPLE SPACE
400
The chances of picking a number between 1 and 20 that is divisible by both 2 and 3 as a PERCENTAGE.
15%
400
What is the theoretical probability of spinning purple?
1/8 or 0.125 or 12.5%
400
There are 3 apples, 4 oranges, and 5 pears in a basket.
What is the probability that first Monica and then Rachel randomly both choose an orange (without replacing)?
12/132 or 0.bar09 or 9.bar09%
400
How many possible combinations are there for this lock if you CANNOT repeat any digits?
5,040 different combinations