Statistics · Chapter 4 · Lesson 4.8 · Printable PDF

Random Variables and Probability Distributions Worksheet with Answer Key

7 problems on random variables and probability distributions. 3 pages, with a worked answer key.

7 problems3 pagesanswer key
Printable Random variables and probability distributions worksheet with answer key - Statistics (Page 1 PDF preview)
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What's on the worksheet

  1. At a zip-line park, the first rider of the day is scheduled to launch at 9:00 a.m., and the line never opens early.
  2. Let X be the number of passengers in a randomly chosen rideshare trip in one city.
  3. Let X be the number of postcards bought by a randomly chosen customer at a museum gift shop.
  4. 2 3 4 ?
  5. A random variable X has P(X = x) = kx for x = 1, 2, 3, 6.
  6. Lucas chooses one word at random, every word equally likely, from the sentence "Seven owls sat high in the old pine tree." Let L be the number of…
  7. Three people get into an elevator on the ground floor of a building with three upper floors, numbered 1, 2 and 3.

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Random variables and probability distributions: the lesson ›