9/18/25, 7:23 PM STAT 330 - Chapter 2
STAT 330 - Chapter 2 Questions And Correct Answers
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Terms in this set (40)
Q: What is a probability A process that leads to well-defined outcomes.
experiment?
Q: What is a sample space? The set of all possible outcomes of an experiment.
Q: What is an event? Any subset of the sample space.
Q: What is a simple event? An event consisting of exactly one outcome.
Q: What is the complement of All outcomes in the sample space not in A.
an event A?
Q: What is the union of two Outcomes in A, or B, or both (A ∪ B).
events A and B?
Q: What is the intersection of Outcomes that are in both A and B (A ∩ B).
two events A and B?
Q: What does it mean if two They cannot occur at the same time (A ∩ B = ∅).
events are mutually exclusive?
Q: What is the addition rule for P(A ∪ B) = P(A) + P(B) - P(A ∩ B).
probability?
Q: What is the special addition P(A ∪ B) = P(A) + P(B).
rule for mutually exclusive
events?
1/4
STAT 330 - Chapter 2 Questions And Correct Answers
(Verified Answers) |Already Graded A+
Terms in this set (40)
Q: What is a probability A process that leads to well-defined outcomes.
experiment?
Q: What is a sample space? The set of all possible outcomes of an experiment.
Q: What is an event? Any subset of the sample space.
Q: What is a simple event? An event consisting of exactly one outcome.
Q: What is the complement of All outcomes in the sample space not in A.
an event A?
Q: What is the union of two Outcomes in A, or B, or both (A ∪ B).
events A and B?
Q: What is the intersection of Outcomes that are in both A and B (A ∩ B).
two events A and B?
Q: What does it mean if two They cannot occur at the same time (A ∩ B = ∅).
events are mutually exclusive?
Q: What is the addition rule for P(A ∪ B) = P(A) + P(B) - P(A ∩ B).
probability?
Q: What is the special addition P(A ∪ B) = P(A) + P(B).
rule for mutually exclusive
events?
1/4
