Basic Probability Vocabulary
An event that consists of a simple outcome.
What is a sample space?
P(E') = 1- P(E)
What is the complementary event?
The occurrence of one event does not affect the probability of the other event.
What is independent event?
The probability that event A or B will occur and the events are not mutually exclusive.
What is P (A or B) = P (A) + P (B) - P (A and B ) ?
10*9*8*7*6*5*4*3*2*1
What is 10!
Probabilities in which the observations obtained from experiments.
What is Empirical Probability?
A jack of club is drawn from a 52 playing card deck.
What is the probability of 1/ 52?
Not putting money in a parking meter and getting a parking ticket.
What is a dependent event?
Used to find the probability of at least one or two events occurring
What is the addition rule?
A group of 20 people are going to run a race. The top 3 runners earn gold, silver, and bronze medals.
What is permutation?
Probabilities in which each outcome in a sample space is equally likely to occur.
What is classical probability?
A diamond is drawn from a deck of 52 playing cards.
What is the probability of 13/52?
The probability that two events A and B will occur in a sequence given that A and B are dependent.
What is the P(A and B) = P (A ) * P (B/A) ?
You roll a die. The die was either a 3 or an odd number.
What is the probability of 3/6 or 0.5 ?
5 new babies are randomly selected. The number of gender sequences possible.
What is 120?
Increasing the number of experiments the event approaches the theoretical probability
What is the law of large numbers?
A randomly selected student graduates with his/her masters and majors in English and Engineering.
Distribution Chart w/ Majors - Math : 20, English 15, Engineering : 12, Business: 21, Education : 4
What is .375 ?
What is the probability of 1/12 or .083?
Event A: Randomly select a male psychology major.
Event B: Randomly select a psychology major who is 20 years of age.
What is not mutually exclusive?
A group of 20 people are going to run a race. The top 9 finishers advance to the finals.
What is 20 C 9 = 167,960 ?
Two events that cannot happen at the same time.
What are two mutually exclusive events?
The number of ways a six question true or false quiz can be answered.
What is 64?
The probability that a particular rotator cuff surgery is successful is .90. The last three surgeries are successful.
What is the probability of 0.729?
A card is selected at random from a deck. Randomly selecting a club or a 3.
What is 0.308 ?
7P3/ 12P4
What is 0.018