What is probability?
7.SP.7 & 7.SP.8 AIR Review Items

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Mathematics
•
7th 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
How do you calculate the probability of an event?
Back
Probability = (Number of favorable outcomes) / (Total number of possible outcomes)
3.
FLASHCARD QUESTION
Front
What is a sample space?
Back
A sample space is the set of all possible outcomes of a probability experiment.
4.
FLASHCARD QUESTION
Front
What is the probability of drawing a chocolate chip or peanut butter cookie from a bag containing 15 chocolate chip, 7 peanut butter, and 3 oatmeal raisin cookies?
Back
22/25
5.
FLASHCARD QUESTION
Front
If a bag contains 15 blue marbles, 8 green marbles, and 7 red marbles, what is the probability of drawing a blue marble?
Back
15/30
6.
FLASHCARD QUESTION
Front
What does a tree diagram represent in probability?
Back
A tree diagram visually represents all possible outcomes of a probability experiment.
7.
FLASHCARD QUESTION
Front
What is the probability of the light being red on two mornings if the light can be red, yellow, or green?
Back
The sample space is: red/red, red/yellow, red/green, yellow/red, yellow/yellow, yellow/green, green/red, green/yellow, green/green.
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