Probability

Probability

Assessment

Flashcard

Mathematics

7th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is probability?

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 probability?

Back

Probability = (Number of favorable outcomes) / (Total number of outcomes)

3.

FLASHCARD QUESTION

Front

If a bag contains 8 red marbles and 6 purple marbles, what is the total number of marbles?

Back

Total marbles = 8 (red) + 6 (purple) = 14 marbles.

4.

FLASHCARD QUESTION

Front

What is the probability of selecting a purple marble from a bag with 8 red and 6 purple marbles?

Back

Probability = 6 (purple) / 14 (total) = 3/7.

5.

FLASHCARD QUESTION

Front

What is theoretical probability?

Back

Theoretical probability is the likelihood of an event happening based on all possible outcomes.

6.

FLASHCARD QUESTION

Front

In a bag with 3 red, 2 blue, and 4 yellow marbles, what is the probability of pulling a red marble?

Back

Probability = 3 (red) / 9 (total) = 1/3.

7.

FLASHCARD QUESTION

Front

If the probability of an event is 30%, what is the probability that the event will not occur?

Back

Probability of not occurring = 100% - 30% = 70%.

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