Probability (middle school)
Flashcard
•
Mathematics
•
6th - 8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is probability?
Back
Probability is a measure of how likely an event is to occur, expressed as a number between 0 and 1, where 0 means the event will not happen and 1 means it will definitely happen.
2.
FLASHCARD QUESTION
Front
What is the theoretical probability formula?
Back
Theoretical probability is calculated using the formula: P(Event) = Number of favorable outcomes / Total number of possible outcomes.
3.
FLASHCARD QUESTION
Front
If a bag contains 3 red marbles and 2 blue marbles, what is the probability of selecting a red marble?
Back
P(Red) = 3/(3+2) = 3/5.
4.
FLASHCARD QUESTION
Front
What does it mean if an event has a probability of 0%?
Back
A probability of 0% means that the event cannot occur.
5.
FLASHCARD QUESTION
Front
What does it mean if an event has a probability of 100%?
Back
A probability of 100% means that the event is certain to occur.
6.
FLASHCARD QUESTION
Front
How do you calculate the probability of multiple independent events occurring?
Back
To find the probability of multiple independent events occurring, multiply the probabilities of each individual event.
7.
FLASHCARD QUESTION
Front
What is the probability of selecting a yellow candy from a bowl with 4 yellow, 6 orange, and 3 green candies?
Back
P(Yellow) = 4/(4+6+3) = 4/13.
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