Complements and Conditional Probability

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
+7
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1.
FLASHCARD QUESTION
Front
What is the definition of probability?
Back
Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.
Tags
CCSS.7.SP.C.5
2.
FLASHCARD QUESTION
Front
What is a complement in probability?
Back
The complement of an event A is the event that A does not occur, denoted as A'. The probability of the complement is given by P(A') = 1 - P(A).
Tags
CCSS.HSS.CP.A.1
3.
FLASHCARD QUESTION
Front
How do you calculate the probability of an event?
Back
The probability of an event A is calculated as P(A) = \frac{\text{Number of favorable outcomes}}{\text{Total number of outcomes}}.
Tags
CCSS.7.SP.C.7A
4.
FLASHCARD QUESTION
Front
What is conditional probability?
Back
Conditional probability is the probability of an event A given that event B has occurred, denoted as P(A|B) = \frac{P(A \cap B)}{P(B)}.
Tags
CCSS.HSS.CP.A.3
CCSS.HSS.CP.A.5
5.
FLASHCARD QUESTION
Front
What is the formula for finding the probability of at least one event occurring?
Back
The probability of at least one event occurring is given by P(at least one) = 1 - P(none).
6.
FLASHCARD QUESTION
Front
If 5% of light bulbs are defective, what is the probability that a randomly selected bulb is not defective?
Back
The probability that a randomly selected bulb is not defective is 95%, or P(not defective) = 0.95.
Tags
CCSS.HSS.CP.B.7
7.
FLASHCARD QUESTION
Front
How do you find the probability of two independent events occurring?
Back
For two independent events A and B, the probability of both A and B occurring is P(A \cap B) = P(A) \times P(B).
Tags
CCSS.HSS.CP.A.2
CCSS.HSS.CP.A.4
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