Do you know what regifting is? it is loosely defined as "giving someone a gift that was originally given to you without telling the recipient the origin of the gift." now that you know, how often do you engage in regifting? in a survey of 5547 persons, the answers to that question were as follows.
response to the question: how often do you engage in regifting?
very often → 143 votes
every now and then → 811 votes
not very often → 1759 votes
never → 2805 votes
i'm not sure → 29 votes
current number of voters: 5547
if one of the persons is selected at random, what is the empirical probability of the following?
(a) the person very often engages in regifting.

(b) the person never engages in regifting.

(c) if you get a gift and you assume that the results of the survey apply to that gift, what is the probability that you are getting a regift? assume that the people who give regifts are the ones that did not answer "never.