What is the definition of probability?
Simple Probability & Complement

Flashcard
•
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
What is the formula for calculating the probability of an event?
Back
P(Event) = (Number of favorable outcomes) / (Total number of outcomes)
3.
FLASHCARD QUESTION
Front
What does it mean when an event has a probability of 0?
Back
An event with a probability of 0 means that it is impossible for that event to occur.
4.
FLASHCARD QUESTION
Front
What does it mean when an event has a probability of 1?
Back
An event with a probability of 1 means that it is certain that the event will occur.
5.
FLASHCARD QUESTION
Front
What is the complement of an event?
Back
The complement of an event A, denoted as A', is the event that A does not occur.
6.
FLASHCARD QUESTION
Front
How do you calculate the probability of the complement of an event?
Back
P(NOT A) = 1 - P(A)
7.
FLASHCARD QUESTION
Front
If there are 14 girls and 12 boys in a class, what is the total number of students?
Back
Total students = 14 girls + 12 boys = 26 students.
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