Suppose you encounter one traffic light on your commute to work each day. You have determined that the probability that this light will be red is 1/3 . Which of the following is not a correct interpretation of this probability?
a. The light will always be red one out of every three times that you encounter it.
b. In the long run, the light should be red about 33.33 of the time.
c. Each time you approach the light on your commute, the probability of it being red is 1/3.
d. All of the above are correct interpretations.
Question 2
Which of the following does not apply to the relative-frequency approach for trying to determine a probability of a specific outcome?
a. The probability is determined to be the proportion of times the outcome occurs in the long run.
b. The relative frequency jumps around if only a few observations are made, but eventually settles down to a certain proportion as more and more observations are made.
c. The relative frequency approach to determining a probability can be applied to short-term observation.
d. All of the above statements apply to the relative-frequency approach.
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