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Corona Virus Research Center at John Hopkins closed the data collection on March 10, 2023, after almost 3 years of data processing - repository started data collection on January 22, 2020. For the USA only 103,802,702 cases were reported, out of those 1,123,836 were fatal. I had one of the Covid-19 cases before this data collection started and I was not a unique case and there were also Covid-19 fatal cases before this data collection was initiated. With a confidence level of 85%, find the confidence interval for population proportion of all fatal cases of Covid-19 in the USA if at the end of December 2019, the USA population was 328,239,523.