Independent & Dependent Events

Flashcard
•
Mathematics
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What are independent events in probability?
Back
Independent events are events where the outcome of one event does not affect the outcome of another. For example, tossing a coin and rolling a die are independent events.
2.
FLASHCARD QUESTION
Front
What are dependent events in probability?
Back
Dependent events are events where the outcome of one event affects the outcome of another. For example, drawing cards from a deck without replacement is a dependent event.
3.
FLASHCARD QUESTION
Front
How do you calculate the probability of independent events occurring together?
Back
To find the probability of two independent events A and B occurring together, multiply their probabilities: P(A and B) = P(A) * P(B).
4.
FLASHCARD QUESTION
Front
How do you calculate the probability of dependent events occurring together?
Back
To find the probability of two dependent events A and B occurring together, use: P(A and B) = P(A) * P(B|A), where P(B|A) is the probability of B given A has occurred.
5.
FLASHCARD QUESTION
Front
What is the probability of tossing a coin and getting heads?
Back
The probability of tossing a coin and getting heads is 1/2.
6.
FLASHCARD QUESTION
Front
What is the probability of spinning a spinner divided into 6 equal sections and landing on red?
Back
If one section is red, the probability is 1/6.
7.
FLASHCARD QUESTION
Front
If a box contains 3 red and 2 blue marbles, what is the probability of picking a red marble?
Back
The probability of picking a red marble is 3/5.
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