99% confidence; n = 8, x = 1.24 sec, s = 0.12 sec Use the given confidence
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99% confidence; n = 8, x = 1.24 sec, s = 0.12 sec
Use the given confidence level and sample data to find a confidence interval for the population standard deviation σ. In each case, assume that a simple random sample has been selected from a population that has a normal distribution.
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