The number of responses to a survey are shown in the Pareto chart. The survey asked 551

551 adults how much they trust social networking websites with their personal information. Find the probability of randomly selecting a person from the sample that meet each category. Note that the last category is unsure (U).

(a) Trusts social networking websites a moderate (M) amount

(b) Trusts social networking websites completely (C)

(c) Trusts social networking websites a lot (A) or completely (C)

(d) Does not trust social networking websites at all (N) or only a little (L)