Question: Environmental engineers are using data collected by weather data centers to learn how climate affects the sea ice. Of 546 ice melt ponds studied in

Environmental engineers are using data collected by weather data centers to learn how climate affects the sea ice. Of 546 ice melt ponds studied in a certain region, 76 were classified as having "first-year ice". The researchers estimated that about 14% of melt ponds in the region have first-year ice. Estimate, with 90% confidence, the percentage of all ice-melt ponds in the region that have first-year ice. Give a practical interpretation of the results.

Construct a 90% confidence interval around the sample proportion of ice melt ponds with first-year ice. Round to four decimal places.

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