Probability Flashcards
(4 cards)
1
Q
How is the probability of a variable X being less than or equal to 4 written?
A
The probability of X being less than or equal to 4 is written as P(X ≤ 4) = 0.4.
2
Q
What are independent events in probability?
A
Independent events are events that do not affect each other. The probability of one event happening is unaffected by the outcome of the other event.
3
Q
What are mutually exclusive events in probability?
A
Mutually exclusive events are events that cannot happen at the same time. If one event occurs, the other cannot.
like rolling a 2 and 6 on one dice
4
Q
What does a Venn diagram consist of?
A
A rectangle representing the sample space
Bubbles (usually circles/ellipses/ovals) for each event
