Refer to the Following Paragraph to Answer the Questions Below

Multiple Choice

Refer to the following paragraph to answer the questions below.
The infant mortality rate (number of infants who die in their first year per 1,000 births) has a mean for the OECD (most advanced industrial countries) of 8 with a standard deviation of 1.
-Japan has a rate of 5 infant deaths per 1,000 births. What is its z-score among the OECD nations?

A) -.5
B) -1
C) -2
D) -3
E) -4