The correct answer is D. Victor, a cleaner in a medical facility.
Explanation
Blood-borne diseases are a series of diseases such as HIV and Hepatitis B and C, which are transmitted through the contact of the blood of someone infected with the blood of someone who is not infected transmitting the disease to the healthy person. According to the options, who would be more exposed to a disease of this type would be Victor, a cleaner in a medical facility, because he has constant contact with medical instruments and some instruments with infected blood can infect him, for example, syringes. So, the correct answer is D. Victor, a cleaner in a medical facility.
When it is has a probability value of 0.1587, it means
that 15.87% of the total sample is below z = -1 or there is a chance that the
selected sample has a 15.87% chance of being below z = -1. Actually all the
choices are telling the same thing in different way.