Probability Basics

Flashcard
•
Mathematics
•
7th Grade
•
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.
2.
FLASHCARD QUESTION
Front
What is the probability of an event that is certain to happen?
Back
The probability of an event that is certain to happen is 1.
3.
FLASHCARD QUESTION
Front
What is the probability of an event that is impossible?
Back
The probability of an event that is impossible is 0.
4.
FLASHCARD QUESTION
Front
How do you calculate the probability of a single event?
Back
Probability = (Number of favorable outcomes) / (Total number of possible outcomes).
5.
FLASHCARD QUESTION
Front
If a jar contains 5 green marbles and 14 total marbles, what is the probability of selecting a green marble?
Back
P(green) = 5/14.
6.
FLASHCARD QUESTION
Front
What is the probability of not landing on a specific outcome in a spinner with 8 equal sections?
Back
P(not A) = (Total sections - sections for A) / Total sections.
7.
FLASHCARD QUESTION
Front
What is the probability of rolling an odd number on a 6-sided die?
Back
P(odd) = 3/6 = 1/2.
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