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Problem Solving & Data Analysis Flashcards

7 cards from real SAT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Problem Solving & Data Analysis flashcards as text

  1. A survey samples 50 students from a school of 1,000. To make valid conclusions about all students, the sample should be:

    Answer: Randomly selected

    A random sample reduces bias and allows generalization to the whole population.

  2. A spinner has 8 equal sections, 3 of which are red. What is the probability of landing on red?

    Answer: 3/8

    Probability = favorable ÷ total = 3 ÷ 8.

  3. In a two-way table, 40 of 100 surveyed adults prefer tea. What percent prefer tea?

    Answer: 40%

    40 out of 100 is 40/100 = 40%.

  4. A box has 5 red and 3 blue marbles. What is the probability of drawing a blue marble?

    Answer: 3/8

    There are 3 blue out of 8 total marbles, so probability is 3/8.

  5. A study with a small margin of error generally indicates:

    Answer: A more precise estimate

    A smaller margin of error means the estimate is more precise.

  6. Of 200 people surveyed, 30% own a pet. How many own a pet?

    Answer: 60

    30% of 200 = 0.30 × 200 = 60.

  7. A coin is flipped twice. What is the probability of getting two heads?

    Answer: 1/4

    Each flip has probability 1/2, so two heads is 1/2 × 1/2 = 1/4.