What is the definition of probability?
Math 2 Unit 8 Practice Test - Probability

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Mathematics
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.
2.
FLASHCARD QUESTION
Front
What is a Venn diagram used for in probability?
Back
A Venn diagram visually represents the relationships between different sets, showing how they overlap and the probabilities associated with each section.
3.
FLASHCARD QUESTION
Front
How do you calculate the probability of an event?
Back
Probability of an event = (Number of favorable outcomes) / (Total number of possible outcomes).
4.
FLASHCARD QUESTION
Front
What does the symbol A ∩ B represent?
Back
A ∩ B represents the intersection of sets A and B, which includes all elements that are common to both sets.
5.
FLASHCARD QUESTION
Front
What is the formula for conditional probability?
Back
The formula for conditional probability is P(A|B) = P(A ∩ B) / P(B), where P(A|B) is the probability of event A given that event B has occurred.
6.
FLASHCARD QUESTION
Front
What is the difference between independent and dependent events?
Back
Independent events are those whose outcomes do not affect each other, while dependent events are those where the outcome of one event affects the outcome of another.
7.
FLASHCARD QUESTION
Front
How do you find the probability of the union of two events?
Back
The probability of the union of two events A and B is given by P(A ∪ B) = P(A) + P(B) - P(A ∩ B).
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