Basic Terms
It's the collection of all the possible outcomes of a probability experiment.
What is a sample space?
It's the probability of rolling a six on a fair die.
What is 1/6 or approx 0.167?
Two events are said to be this, if it is impossible for both events to occur and therefore P(A and B) = 0.
What is mutually exclusive?
True of False, the P(B/A) is the probability the B occurs, under the assumption that A occurs.
What is True?
The proportion of times that an event occurs in the long run.
What is the probability?
When it's impossible for an event to occur, it's probability is equal this number.
What is zero?
It's an event that is formed by combining two or more events.
What is a compound event?
Two events A and B are said to be this, if the occurrence of event A does not affect the probability that event B occurs, in other words,
P(B/A) = P(B)
What is independent?
This Law says that as a probability experiment is repeated again and again, the proportion of times that a given event occurs will approach its actual probability.
What is the Law of Large Numbers?
When it's certain that an event will occur, it's probability is equal to this number.
What is one?
It's the complement of "on time".
What is "not on time?
True or false, when sampling without replacement, the draws are independent.
What is False?
It's an outcome or collection of outcomes from a sample space.
What is an event?
When a fair coin is flipped three times, it's the probability that all three tosses are the same.
What is 0.25?
It's formula is
P(A or B) = P(A) + P(B) - P(A and B)
What is the General Addition Rule?
When two events are dependent, we are dealing with this type of probability.
What is Conditional Probability?
Any event whose probability is less than 0.05 is considered to be this.
What is an unusual event?
DAILY DOUBLE!
If A and Ac are complements, then P(A) equals this.
What is 1-P(Ac)?
It's formula is
P(A or B) = P(A) + P(B), if the P(A and B) = 0.
What is the Addition Rule for Mutually Exclusive Events?
If a fair coin is tossed five times, it's the probability that it comes up heads at least once.
What is 0.96875?