Answer to Question #256929 in Statistics and Probability for HelloWorld

Question

t 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 as being labeled properly or being mislabeled. What fraction of smoked fish in the sample were mislabeled? Choose the closest answer.

| Smoked Not Smoked | Total

Mislabeled | 28 11 | 39

Properly labeled | 8 109 | 117

Total | 36 120 | 156

9%

18%

28%

78%

72%

?

Answer 1

$28/36=0.7778=77.78\%$

Answer: 78%