4) A doctor's office completed a survey of 300 customers about satisfaction with service and type of customer. The result is presented in the table below: Total Type of Customer/ Level of Satisfaction Dissatisfied (D) Neutral (N) Satisfied (S) Very Satisfied (VS) Total Walk-In TV Ads (WI) (TV) 18 12 16 22 28 38 24 26 86 98 Referred (R) 6 30 50 30 116 d) 36 68 116 80 300 Assume the table represents the entire population. Find the probability that a customer is (use the calculator to find the decimal approximation): a) Dissatisfied P(D) = b) Dissatisfied and Walk-In P(D and wi) = P(Dand WI) c) Very satisfied given Referred P(VS/R): P (VS/R) very satisfied or saw a TV Ad P(VS or Tv) P(VS OR TV)

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