Vocabulary/Probability Facts
Probability
Venn Diagrams
Probability Distributions
100
all probabilities in a distribution must add up to ____
1
100
You roll 1 dice. Find P (2 or 4)
P(2 or 4)=
2/6 or 1/3
100
How many kids are in the grade?
260
100
Determine the missing probability
0.1
200
the probability of an event NOT happening is called the _______________ indicated by a C in the exponent
complement
200
You spin the spinner once. Find P( even and blue)
P(even and blue)=2/8 or 1/4
200
What is the probability that a student takes spanish?
P(spanish)=93/260
200
Determine P(2 or 3)
0.531
300
Probabilities/proportions can also be called _______________ frequencies
relative
300
You spin the spinner once
Find P(even or red)
P(even or red)=5/8
300
What is the probability that the student only takes one of the three classes?
P(only one class)=172/260
300
Determine P(X > 5)
0.443
400
The shaded region of a venn diagram represents the ___________________
intersection
400
You spin the spinner twice. Find P(3 then yellow)
P(3 then yellow)=1/32
400
What is the probability that the student takes all 3 classes
P(all three classes)=15/260
400
Determine P(X is even)C
0.84
500
Events that cannot occur at the same time are said to be ________________ ____________
mutually exclusive
500
You spin the spinner twice. Find P(Blue then yellowc)
9/32
500
Determine P(Math ∩ Chemistry)
75/260 or 15/52
500
Determine the expected value:
5.154