Probability Review
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
Student preview
15 questions
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1.
FLASHCARD QUESTION
Front
An event has a 50% chance of happening. This event is ___?
Back
As likely as not.
2.
FLASHCARD QUESTION
Front
What is the probability of drawing a green marble from a jar containing 2 green, 4 blue, 3 yellow, and 2 black marbles?
Back
The probability of drawing a green marble is \( \frac{2}{11} \).
3.
FLASHCARD QUESTION
Front
What is the probability of choosing a letter that is NOT 'A' from the word 'ALGEBRA'?
Back
The probability is \( \frac{5}{7} \).
4.
FLASHCARD QUESTION
Front
What does it mean if an event is described as 'impossible'?
Back
An impossible event has a probability of 0.
5.
FLASHCARD QUESTION
Front
What does it mean if an event is described as 'certain'?
Back
A certain event has a probability of 1.
6.
FLASHCARD QUESTION
Front
If a marble is chosen at random from a jar and replaced, what is the probability of drawing the same color marble twice?
Back
The probability is the square of the probability of drawing that color once.
7.
FLASHCARD QUESTION
Front
What is the probability of choosing a pink marble if there are no pink marbles in the jar?
Back
The probability is impossible, or 0.
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