Probability Techniques for SAT Math Success

This video tutorial focuses on mastering probability questions for the SAT. It emphasizes the simplicity of probability questions and the importance of understanding the context to identify the target and total. The video provides two examples: one involving high school students' favorite subjects and another with law school graduates taking the bar exam. The tutorial concludes with a summary and tips for correctly solving probability questions.

Why are probability questions considered easy to score on the SAT?

• They don't require any technical concepts or memorization of formulas.

• They involve complex technical concepts.

• They are always multiple-choice questions.

• They require memorizing many formulas.

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CCSS.HSS.CP.A.3

CCSS.HSS.CP.A.5

What are the two key things to look for in a probability question?

• The formulas and the context.

• The context and the target over total.

• The total number of questions and the time limit.

• The type of question and the difficulty level.

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CCSS.HSS.CP.B.7

What is the first step in solving a probability question?

• Understanding the context.

• Memorizing the formulas.

• Identifying the total.

• Identifying the target.

In the example involving high school seniors, what is the total number of seniors?

• 250

• 100

• 38

• 120

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CCSS.6.SP.B.5A

In the same example, how many seniors selected science as their favorite subject?

• 100

• 38

• 120

• 250

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CCSS.8.SP.A.4

What is the probability that a randomly selected senior chose science as their favorite subject?

• 0.32

• 0.31

• 0.38

• 0.25

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CCSS.8.SP.A.4

In the example involving law school graduates, what is the total number of graduates who passed the bar exam?

• 7

• 18

• 25

• 200

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CCSS.8.SP.A.4

How many graduates who passed the bar exam did not take the review course?

• 200

• 18

• 25

• 7

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CCSS.8.SP.A.4

What is the probability that a randomly selected graduate who passed the bar exam did not take the review course?

• 7/200

• 25/200

• 18/25

• 7/25

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CCSS.HSS.CP.A.4

What is the most important tip for solving probability questions correctly?

• Guess if you are unsure.

• Understand the context and correctly identify the target and total.

• Read the question quickly.

• Memorize all the formulas.

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CCSS.7.SP.C.5