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Message: <blockquote data-quote="J3SS aka Jess" data-source="post: 404201">1. The circumfrences of a random sample of trees were measured and found to have a mean circumfrence of x"bar" = 29.8 inches with a standard deviation of S=7.2 inches. Find a 95% confidence interval for the population mean circumfrence. correct to the nearest tenth.2. A random sample of 19 fish have a mean length of x"bar"= 11.9 inches with standard deviation s=2.8 inches. Find 99% confidence interval for population mean. Correct to nearest hundredth.Im sorry number one is a random sample of 45 trees!!Thanks you helped me remember everything and really got me on track with these two questions. I have three more posted if you can point me in the right direction with those as well I am def five starring you!</blockquote>