AP Statistics Ch.5 Probability Exam
Latest Update With Complete
Solutions 2025!!!
a number between 0 and 1 that describes the proportion of times the outcome would
occur in a very long series of repetitions. CORRECT ANSWERS Probability
Events that do not influence each other's outcomes. One event has no effect on the
next one CORRECT ANSWERS independent events
Events that cannot both occur together. They have no outcomes in common.
CORRECT ANSWERS mutually exclusive (disjoint)
The set of all possible outcomes CORRECT ANSWERS Sample space (S)
1. A probability is between 1 and 0
2. If S is the sample space, P(S) = 1
3. P(A) = (# of A outcomes)/(total # of outcomes)
4. Complimentary rule: P(A') = 1 - P(A)
5. Addition rule for mutually exclusive events: P(A) + P(B) = P(A U B) CORRECT
ANSWERS 5 probability rules
State: state the question
Plan: Give the calculator function, define variables, give conditions for success, give 1
trial, interpret it
Do: Simulate many repetitions. Give results and find the probability
Conclude: Interpret the probability in context. CORRECT ANSWERS 4-Step simulation
process
The long-term relative frequency of an event gets closer to the true relative frequency
as the number of trails of random phenomenon increases. CORRECT ANSWERS Law
of Large Numbers
Belief that past outcomes of an event (independent, like births), can affect future
probabilities. (a myth) CORRECT ANSWERS Law of Averages
Does P(A) = P(A|B)? CORRECT ANSWERS Test for independence
P(A ∩ B) = P(A) ∙ P(B|A) CORRECT ANSWERS General Multiplication Rule
A single attempt CORRECT ANSWERS Trial
P(A U B) = P(A) + P(B) - P(A ∩ B) CORRECT ANSWERS General Addition Rule
Latest Update With Complete
Solutions 2025!!!
a number between 0 and 1 that describes the proportion of times the outcome would
occur in a very long series of repetitions. CORRECT ANSWERS Probability
Events that do not influence each other's outcomes. One event has no effect on the
next one CORRECT ANSWERS independent events
Events that cannot both occur together. They have no outcomes in common.
CORRECT ANSWERS mutually exclusive (disjoint)
The set of all possible outcomes CORRECT ANSWERS Sample space (S)
1. A probability is between 1 and 0
2. If S is the sample space, P(S) = 1
3. P(A) = (# of A outcomes)/(total # of outcomes)
4. Complimentary rule: P(A') = 1 - P(A)
5. Addition rule for mutually exclusive events: P(A) + P(B) = P(A U B) CORRECT
ANSWERS 5 probability rules
State: state the question
Plan: Give the calculator function, define variables, give conditions for success, give 1
trial, interpret it
Do: Simulate many repetitions. Give results and find the probability
Conclude: Interpret the probability in context. CORRECT ANSWERS 4-Step simulation
process
The long-term relative frequency of an event gets closer to the true relative frequency
as the number of trails of random phenomenon increases. CORRECT ANSWERS Law
of Large Numbers
Belief that past outcomes of an event (independent, like births), can affect future
probabilities. (a myth) CORRECT ANSWERS Law of Averages
Does P(A) = P(A|B)? CORRECT ANSWERS Test for independence
P(A ∩ B) = P(A) ∙ P(B|A) CORRECT ANSWERS General Multiplication Rule
A single attempt CORRECT ANSWERS Trial
P(A U B) = P(A) + P(B) - P(A ∩ B) CORRECT ANSWERS General Addition Rule
