A city maintains a database of all traffic tickets that were issued over the past ten years. The tickets are divided into the following two categories. Moving violations
Nonmoving violations
The data recorded for each ticket include only the following information.

The month and year in which the ticket was issued
The category of the ticket
Which of the following questions CANNOT be answered using only the information in the database?
a. In the past ten years, were nonmoving violations more likely to occur on a weekend than on a weekday?
b. Have the total number of traffic tickets per year increased each year over the past ten years?
c. In the past ten years, were there any months when moving violations occurred more often than nonmoving violations?
d. In how many of the past ten years were there more than one million moving violations?