4. (5 pts total) Seattle-King County Public Health samples water at local beaches on a...
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4. (5 pts total) Seattle-King County Public Health samples water at local beaches on a weekly basis each summer, testing for E. Coli bacteria. If concentrations get too high, the beach gets closed. More information about this process is published on this site. You can read there where the E. Coli comes from. It's a bit gross! The following (real) data was provided to me by Daniel Nidzgorski of the King County Department of Natural Resources and Parks. It shows all 39 of the readings taken at Matthews Beach, Seattle's largest freshwater bathing beach, throughout the summer of 2022 . A reading above 200E. Coli per 100mL of water is cause for concern. a) (2 pts) Calculate the percentile of the data value 200 . Show work. b) (1 pt) What does your answer from part (a) mean in context of the situation? c) (2 pts) Matthews Beach was closed for a couple of weeks during the summer of 2022. Use your answer from (a) to explain why the city might have closed the beach

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