In a recent survey, consumers were asked where they did their gift shopping. The following results were obtained:  621 shopped at Macy's, 513 shopped at Emporium, 367 shopped at Nordstrom, 723 shopped at Emporium, or Nordstrom, 749 shopped at Macy's or Nordstrom, 157 shopped at all three, 96 shopped at neither Macy's nor Emporium nor Nordstrom. a. What percent of the consumers shopped at more than one store? b. What percent of the consumers shopped exclusively at Nordstrom?

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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In a recent survey, consumers were asked where they did their gift shopping. The following results were obtained:  621 shopped at Macy's, 513 shopped at Emporium, 367 shopped at Nordstrom, 723 shopped at Emporium, or Nordstrom, 749 shopped at Macy's or Nordstrom, 157 shopped at all three, 96 shopped at neither Macy's nor Emporium nor Nordstrom.

a. What percent of the consumers shopped at more than one store?

b. What percent of the consumers shopped exclusively at Nordstrom?

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