8.11 Probability

8.11 Probability

Assessment

Flashcard

Mathematics

7th - 9th Grade

Practice Problem

Medium

Created by

Wayground Content

Used 1+ times

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16 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 are Independent Events?

Back

Independent events are events where the outcome of one event does not affect the outcome of another.

3.

FLASHCARD QUESTION

Front

What are Dependent Events?

Back

Dependent events are events where the outcome of one event affects the outcome of another.

4.

FLASHCARD QUESTION

Front

How do you calculate the probability of independent events occurring together?

Back

Multiply the probabilities of each independent event.

5.

FLASHCARD QUESTION

Front

How do you calculate the probability of dependent events occurring together?

Back

Multiply the probability of the first event by the probability of the second event given that the first event has occurred.

6.

FLASHCARD QUESTION

Front

What is the probability of drawing a red marble from a bag of 5 red and 3 blue marbles?

Back

P(Red) = 5/(5+3) = 5/8.

7.

FLASHCARD QUESTION

Front

What is the probability of drawing two red marbles without replacement from a bag of 5 red and 3 blue marbles?

Back

P(Red 1) = 5/8, P(Red 2 | Red 1) = 4/7, so P(Red 1 and Red 2) = (5/8) * (4/7) = 20/56 = 5/14.

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