Question:

An environmental group Oceana Canada analyzed 472 DNA samples of seafood purchased in four major Canadian Cities. Laboratory results indicated the 53% of the seafood samples were labelled correctly.

A) Can you calculate a 90 % and 95% confidence interval and show how this would be done?

B) Write an appropriate interpretation of the 90% and 95% confidence intervals

c) Draw a normal model and label the x-axis. Draw on your 90% and 95% confidence intervals

D). Explain the trade-off between certainty and precision in the context of the question in your own words with 1-2 sentences.

Please show your work and provided fully structured answers.