Question: Environmental engineers are using data collected by weather data centers to learn how climate affects the sea ice. Of 509 ice melt ponds studied in

Environmental engineers are using data collected by weather data centers to learn how climate affects the sea ice. Of 509 ice melt ponds studied in a certainregion, 83 were classified as having"first-year ice". The researchers estimated that about 16% of melt ponds in the region havefirst-year ice.Estimate, with90% confidence, the percentage of allice-melt ponds in the region that havefirst-year ice. Give a practical interpretation of the results.

Construct a90% confidence interval around the sample proportion of ice melt ponds withfirst-year ice.

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