In the two countries of Guilder and Florin, it is known that the probability a person has freckles, given that person has red hair, is the same. Similarly, the probability a person has freckles, given that person does not have red hair, is the same in both countries. In Guilder, approximately 13% of people have red hair, and 28% have freckles. In Florin, approximately 1% of people have red hair, and 20% have freckles.

a) What is the probability a person from one of these countries has freckles, given that person has red hair?

b) What is the probability a person from one of these countries has freckles, given that person does not have red hair?

c) What is the probability a person from Guilder has red hair, given that person has freckles?

d) What is the probability a person from Florin has red hair, given that person does not have freckles?