Which of the following statements shows a characteristic of a statistical question? (4 points) Select one:
a. The question is focused.
b. There is a population that is being studied.
c. The distribution can be broken into categories.
d. The question allows for surveys to be conducted.

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236