ch 5 probability Flashcards
1
Q
What are the details about a pack of 52 playing cards?
A
4 suits,
13 cards in a suit.
2
Q
How to approach questions when you must fill in a Venn diagram?
A
Always fill in middle part first.
3
Q
What is an event?
A
A collection of one or more outcomes.
4
Q
What is a sample space?
A
the set off all possible outcomes in an experiment.
5
Q
Give a statistics for two events when they are mutually exclusive? (for a and b)
A
P(AnB) = 0
If P(A)+P(B)= P(A u B) works then it is mutually exclusive.
6
Q
What are independent events?
A
Two events that do not affect each other, eg rolling a dice and spinning a spinner.
7
Q
What is the statistic for independent events?
A
P(A) X P(B) = P(AnB)