Given the following information:

a) The percentage of the US population (age >12) testing positive for Covid-19 on any day is 0.023%

b) Testing positive for COVID-19 of the unvaccinated is (0.063%) and is 5 times the rate of vaccinated (0.0126%)

c) 80% of the US population has received at least one dose of vaccine.

A person has tested positive for COVID-19. What is the (approximate) probability that the person was at least partially vaccinated?

a.

12.4%

b.

44%

c.

0.023%

d.

5.2%

e.

63%