5) A hair salon completed a survey of 347 costumers about satisfaction with service (Dissatisfied, Neutral, Satisfied, or Very Satisfied) and type of costumer (Walk-in, Saw a TV-ad, or Referred). The results follow: Dissatisfied (D) Neutral (N) Satisfied (S) Very Satisfied (VS) Column Total Walk-in (WI) 21 21 26 31 99 b) Referred P (R) = TV Ad (TV) 7 22 41 35 105 Referred (R) 2 36 61 44 143 Row Total 30 79 128 110. 347 The table represents the entire population of costumers. Find the probability that a costumer is a) Dissatisfied P (D) = c) Dissatisfied and Walk-in P (D and WI) = d) Very Satisfied or Saw TV ad P (VS or TV) =

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