S25AMDM UNIT 2 Part2 Flashcard (Table & Tree& Area Model)

Flashcard
•
Mathematics
•
12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the expected value in probability?
Back
The expected value is a calculated average of all possible outcomes of a random variable, weighted by their probabilities.
2.
FLASHCARD QUESTION
Front
How do you calculate the expected value for a decision tree?
Back
Multiply each outcome by its probability and sum all the results.
3.
FLASHCARD QUESTION
Front
What does a probability of 1 indicate?
Back
A probability of 1 indicates that an event is certain to occur.
4.
FLASHCARD QUESTION
Front
What is a tree diagram in probability?
Back
A tree diagram is a visual representation of all possible outcomes of a series of events.
5.
FLASHCARD QUESTION
Front
How many outcomes are there when rolling a die and flipping a coin?
Back
There are 12 total outcomes (6 outcomes from the die multiplied by 2 outcomes from the coin).
6.
FLASHCARD QUESTION
Front
What is the probability of an event?
Back
The probability of an event is a measure of the likelihood that the event will occur, expressed as a number between 0 and 1.
7.
FLASHCARD QUESTION
Front
What does it mean if a probability is less than 0?
Back
A probability less than 0 is not possible; probabilities must be between 0 and 1.
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