Answer:
The correct option is;
c. Yearly income for California residents
Explanation:
From the central limit theorem we have that given a certain population that has a mean and a standard deviation, and a sufficiently large sample is collected and replaced, the sample means distribution observed will be normally distributed
Therefore, since the yearly income of California residents is made up of the incomes of individuals working for various establishment which their own wage system which have mean and standard deviations then the yearly income for California residents will also be normally distributed as the central limit theorem states that an event made up of numerous equally likely event it will be normally distributed.