Studentereksamen STX (Denmark) · Mathematics

Statistics and Probability

9 practice questions, each with the answer and an explanation.

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Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 9 questions

  1. What is the mean of ?
  2. What is the median of ?
  3. A fair coin is tossed twice. What is the probability of at least one head?
  4. A fair die is thrown twice. What is the probability of exactly one six?
  5. A scatter plot has a correlation coefficient of . What does this show?
  6. What does the standard deviation of a data set measure?
  7. For the data (taking the median of each half of the data for the quartiles), what is the interquartile range?
  8. Events and are independent with and . What is ?
  9. In how many ways can a committee of be chosen from people?

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