1.Consumers were surveyed on the relative number of visits to a Sears store often, occasional, and never) and if the store was located in an enclosed mall (yes and no). The results are summarized in the contingency table (Crosstab) below: 

 What is the probability of selecting a shopper who: a.Visited a Sears store often? b.Visited a Sears store in an enclosed mall? c.Visited a Sears store in an enclosed mall or visited a Sears store often? d.Visited a Sears store often, given that the shopper went to a Sears store often and it enclosed mall? e.Are the number of visits and the enclosed mall variables independent? f.What is the probability of selecting a shopper who visited a Sears store often and it was in an enclosed mall? g.Draw a tree diagram and determine the various joint probabilities.

Transcribed Image Text:

visits Enclosed Mall Totakk Yes No Often e 60< 20 80 Occasional e 25 35 60 Never 5 50< 55 Total e 90 105 195 visits Enclosed Mall Totakk Yes No Often e 60< 20 80 Occasional e 25 35 60 Never 5 50< 55 Total e 90 105 195

Answer rating: 100% (QA)

a Visited a sears store often PCOften Tot al often 80 3 Over all 195 Visited a sear stone i... View the full answer