The Annual Income of Residents in a County Is $42,000

Multiple Choice

The annual income of residents in a county is $42,000 with a standard deviation of $10,000. Under the assumption that the distribution of annual incomes is Normal, between what two values do 95% of the incomes of county residents lie?

A) $40,000 and $44,000
B) $22,000 and $62,000
C) $32,000 and $52,000
D) $30,000 and $50,000