Simple Probability and Its Complement(7.6E)

Simple Probability and Its Complement(7.6E)

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

The chance of an event happening, represented as a fraction (Favorable Outcomes / Total Possible Outcomes).

2.

FLASHCARD QUESTION

Front

What is the formula for calculating probability?

Back

Probability = Favorable Outcomes / Total Possible Outcomes.

3.

FLASHCARD QUESTION

Front

What is a complement in probability?

Back

The probability of an event NOT happening.

4.

FLASHCARD QUESTION

Front

If the probability of an event A is 0.3, what is the probability of its complement A'?

Back

P(A') = 1 - P(A) = 1 - 0.3 = 0.7.

5.

FLASHCARD QUESTION

Front

Lisa is getting ice cream and can choose from 4 flavors. What is the probability of choosing one specific flavor?

Back

1/4.

6.

FLASHCARD QUESTION

Front

Jade has 3 green tiles, 7 red tiles, and 11 orange tiles. What is the total number of tiles?

Back

Total tiles = 3 + 7 + 11 = 21.

7.

FLASHCARD QUESTION

Front

What is the probability that Jade picks a tile that is NOT green?

Back

P(Not Green) = (7 red + 11 orange) / 21 = 18/21 = 6/7.

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