Geometry | Unit 8: Conditional Probability | Check Your Readiness

The spinner is spun once. What is the probability that it lands in a section labeled A or B?

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7.SP.C.5

Tyler surveyed 100 randomly selected students to find out their favorite sport to watch on TV. The results of the survey are summarized in the table. A student who responded to the survey is selected at random. What is the probability that the student's favorite sport to watch on TV is basketball?

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7.SP.C.7.b

Tyler surveyed 100 randomly selected students to find out their favorite sport to watch on TV. The results of the survey are summarized in the table. A student who responded to the survey is selected at random. What is the probability that the student's favorite sport to watch on TV is rugby or volleyball?

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7.SP.C.7.b

Tyler surveyed 100 randomly selected students to find out their favorite sport to watch on TV. The results of the survey are summarized in the table. A student who responded to the survey is selected at random. If 300 randomly selected students are surveyed at Tyler’s high school, estimate the number of students whose favorite sport to watch on TV is football. Explain your reasoning.

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7.SP.C.7.b

Select all the events that have a probability of 0.5 or greater.

• Flipping a fair coin and having it land on heads.

• Rolling a fair number cube and getting a 5.

• Rolling a fair number cube and getting a 5 or a 6.

• Rolling a fair number cube and getting a number that is not 5.

• Choosing a letter at random from the word FOLIO and getting an F.

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7.SP.C.7.a

Mai chooses a letter at random from the word DREAM, then flips a fair coin. Write all the possible outcomes in the sample space.

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7.SP.C.8.a

Mai chooses a letter at random from the word DREAM, then flips a fair coin. What is the probability that Mai chooses the letter D and the coin lands on tails?

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7.SP.C.8.a

In 2018, soccer teams from Egypt, Russia, Saudi Arabia, and Uruguay played each other in a tournament. At the end of the tournament, one team finished in first place, one in second, one in third, and one in fourth. Use an organized list, table, or tree diagram to show all the different possibilities in which the four teams could have finished.

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7.SP.C.8.b

Students in a psychology class are identified as either introverts or extroverts using a personality quiz. They are then asked how many close friends they have. What is the probability that one of the students selected at random is an introvert with fewer than 5 close friends?

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7.SP.C.7.a

Students in a psychology class are identified as either introverts or extroverts using a personality quiz. They are then asked how many close friends they have. What is the probability that one of the students selected at random is an extrovert?

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7.SP.C.7.a