Question: uahhshshhhd 2. A random sample is drawn from a population of unknown standard deviation. Construct a 99% confidence interval for the population mean based on

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2. A random sample is drawn from a population of unknown standard deviation. Construct a 99% confidence interval for the population mean based on the information given: a. n = 49 f = 17.1 0 = 2.1 b. n = 169 * = 17.1 0 = 2.1 3. A corporation that own apartment complexes wishes to estimate the average length of time residents remain in the same apartment before moving out. A sample of 150 rental contracts gave a mean length of occupancy of 3.7 years with a standard deviation of 1.2 years. Construct a 95% confidence interval for the mean length of occupancy of apartments owned by this corporation

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