The number of responses to a survey are shown in the Pareto chart. The survey asked 539 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)
Number responding
200-
172
1754
155
150- 135
125-
100
75-
40
32
25-
0-
NIMA CU
Response
504
(a) The probability that a randomly selected person trusts social networking websites a moderate amount is
(Round to three decimal places as needed.)