A hair salon did a survey of 354 customers regarding satisfaction with service and type of customer. A walk-in customer is one who has seen no ads and not been referred. The other customers either saw a TV ad or were referred to the salon (but not both). The results follow.

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  • A hair salon did a survey of 354 customers regarding satisfaction with service and type of customer. A walk-in customer is one who has seen no ads and not been referred. The other customers either saw a TV ad or were referred to the salon (but not both). The results follow.

 

Walk-In

TV Ad

Referred

Total

Not Satisfied

19

11

5

35

Neutral

18

22

40

80

Satisfied

32

41

59

132

Very Satisfied

28

31

48

107

Total

97

105

152

354

Assume the sample represents the entire population of customers. Find the probability that a customer is

  1. not satisfied

  2. not satisfied and a walk-in

  3. very satisfied, given referred

  4. neutral or referred

  5. saw add and was referred

 

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