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Use the confidence level and sample data to find a confidence interval for estimating the population . Round your answer to the same number of

Use the confidence level and sample data to find a confidence interval for estimating the population . Round your answer to the same number of decimal places as the sample mean.

11) Test scores: n = 104, x = 95.3,= 6.5; 99% confidence

12) A random sample of 187 full-grown lobsters had a mean weight of 19 ounces. Assume the population standard

deviation is 3.3 ounces. Construct a 98% confidence interval for the population mean .

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