Mathematics, 10.06.2021 16:20 favre22fs

A restaurant's marketing department claims that 45% of customers prefer hamburgers, 41% of the customers prefer chicken sandwiches, and 14% of the customers prefer fish sandwiches. To test this claim, a random group of customers at a fast food chain were asked whether they preferred hamburgers, chicken sandwiches, or fish sandwiches, with the results shown below.

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A restaurant's marketing department claims that 45% of customers prefer hamburgers, 41% of the custo...