Math 2 - Probability Review

Math 2 - Probability Review

Assessment

Flashcard

Mathematics

9th - 10th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

How many outfits can be created with 5 pairs of jeans, 8 t-shirts, and 2 pairs of shoes?

Back

80 outfits (calculated as 5 * 8 * 2 = 80).

2.

FLASHCARD QUESTION

Front

Does the outcome of the first marble drawn affect the outcome of the second when the first marble is replaced?

Back

No, the events are independent.

3.

FLASHCARD QUESTION

Front

What is the probability of selecting a green or red marble from a bag containing 9 green, 5 yellow, and 6 red marbles?

Back

3/4 (The total number of favorable outcomes is 15, and the total number of marbles is 20, so P(green or red) = (9+6)/20 = 15/20 = 3/4).

4.

FLASHCARD QUESTION

Front

Are the events of drawing a red marble and then a blue marble without replacement dependent or independent?

Back

Dependent, because the outcome of the first draw affects the second.

5.

FLASHCARD QUESTION

Front

What is the probability that a randomly selected student got an A or B in Mrs. Hardcase’s English class if 35 out of 100 students received an A or B?

Back

35/100.

6.

FLASHCARD QUESTION

Front

Define probability.

Back

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

7.

FLASHCARD QUESTION

Front

What is the formula for calculating the probability of an event?

Back

P(Event) = Number of favorable outcomes / Total number of outcomes.

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