A market researcher conducts a survey of residents in three neighborhoods. The residents are asked whether they prefer ice cream or gelato. The results, given as joint relative frequencies, are shown in the two-way table. What is the probability that a randomly selected person that prefers gelato is not a resident of Frogtown? Round your answer to the nearest tenth of a percent. Frogtown Irondale Arnona Ice Cream 0.31 0.12 0.17 Gelato 0.15 0.16 0.09 about ? %

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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A market researcher conducts a survey of residents in three neighborhoods. The residents are asked whether they prefer ice cream or gelato. The results, given as joint relative frequencies, are shown in the two-way table. What is the probability that a randomly selected person that prefers gelato is not a resident of Frogtown? Round your answer to the nearest tenth of a percent.

  Frogtown Irondale Arnona
Ice Cream 0.31 0.12 0.17
Gelato 0.15 0.16 0.09

 

about ? %

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