Two thousand randomly selected adults were asked if they are in favor of or against cloning. The following table gives the responses.

In Favor                      Against            No Opinion

Male                   395                               405                   100

Female               300                               680                   120

a. If one person is selected at random from these 2000 adults, find the probability that this person is

i. in favor of cloning

ii. against cloning

iii. in favor of cloning given the person is a female

iv. a male given the person has no opinion

b. Are the events "male" and ' 'in favor" mutually exclusive? What about the events "in favor" and "against?" Why or why not?

c. Are the events "female" and "no opinion" independent? Why or why not?