It is relatively common for fish to be mislabeled in supermarkets and even in re

Question

It is relatively common for fish to be mislabeled in supermarkets and even in restaurants. The table below shows the results of a study where a random sample of 156 fish for sale were collected and genetically tested. The researchers classified each sample asbeing labeled properly or being mislabeled

                                           Smoked     Not smoked

Mislabeled                               28                           11

Properly labeled                         8                           109

What fraction of smoked fish in the sample were mislabeled (provide your answer as a percentage)?

Explanation / Answer

Total smoked = 28+8=36

Total mislabeled and smoked= 28

Therefore 28/36 were mislabeled from those who smoked

Answer is 77.77%

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