A new manager has been hired to run the campus student pub. The pub sells a limited selection of brands of beer. The past manager indicated that the brand preferences of the pub's customers were as shown in Exhibit 12.17 below.
The new manager wants to check on customer preferences so that he can order the correct quantities of each brand of beer. In a random sample of 85 customers, 29 preferred Labatt Blue, 6 preferred Labatt Blue Light, 21 preferred Molson Canadian, 16 preferred Kokanee, and the remainder preferred Rickard's Honey Brown. Is there evidence, at the 5% level of significance, that customers' brand preferences are different from what the previous manager thought?

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Labatt Blue 33% Labatt Blue Light Canadian Kokanee Honey Brown Molson Rickards 8% 25% 190% 15%