Multiple choice. 1. Sample space/variable of interest 2. Discrete random variable 3. Probability 4. Standard deviation

III. Multiple Choice 20 points 1. Which of the following describes consecutive flips of a fair coin with the variable of interest being the number of heads? the sample space for an experiment involving 3 A Heads or Tails B. HHH THH HTH HHT TTH THT HTT TTT C. No Heads, One Heads, Two Heads, Three Heads D. 1,3, 3, 1 2. When describing a discrete random variable, you should do the following A State the variable. B. List all of the possible values of the variable. C None of these D. Determine the probabilities of these values. All of the above. E. 3. Decide if the following probability is classical, relative frequency,or subjective. You believe you have a j chance of drawing a black card from a standard deck of cards A) Subjective Probability B) Relative Frequency Probability C) Classical Probability 4. When calculating the standard deviation of the coin flipping exercise, which formula can be used. A. B. C