1. The problem statement, all variables and given/known data

The marketing department of a magazine collects the following information for a group of randomly selected subscribers. Of households that subscribe to at least one of their three magazines:

25 subscribe to teen world only

19 to star watch only

15 to fashionz only

41 to teen world and star watch

28 to star watch and fashionz

32 to teen world and fashionz

11 to all three magazines

a) Illustrate with a venn diagram

b) Determine the probability that a randomly selected subscriber receives

i) all three magazines

ii) exactly two magazines

ii) at least two magazines

iv) Fashionz

v) star watch or teen world

2. Relevant equations

3. The attempt at a solution

b)

i) N(A)=11

N(S)=138

P(A)=11/138

ii) 21+17+30/138=34/69

iii) 21+17+30+11/138 = 79/139

iv) 15/138

v)