Question 1

I randomly select a house from a list of all the addresses in Edinburgh. What kind of random variable am I describing?

  1. A sample space.
  2. A continuous random variable.
  3. A discrete random variable.
  4. It’s not a random variable.

Question 2

I roll two six sided dice and add up the numbers on their faces. If I make a table that lists the number of ways that each outcome (2-12) can occur, what have I made?

  1. A frequency distribution.
  2. A probability distribution.
  3. A probability mass function.
  4. A random variable



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Answers

  1. c
  2. a