Stats And Probability Flashcards
Events for which the occurrence of one event eliminates the possibility of the occurrence of the other event
Mutually exclusive events
The set of all possible outcomes
Sample space
To determine if one event OR another event will occur you….
Add the probabilities of each event
When solving what the probability is that both event a and b will occur is equal to….
The probability of event a x the probability of event b
If one of the events has no effect on the probability of the other event occurring
Independent events
To solve the probability that AT LEAST one event occurs ….
P(A or B) = p(A) + p(B)- p(A and B)
The dispersion of a set of numbers around the mean
Standard deviation
Unordered selection then it’s a _______
Combination question
If the selection is ordered than it’s a _______
Permutation question