Chapter 08, Section 8.3, Problem 044 The mean time taken to design a house plan by 39 architects was found to be 17 hours with a standard deviation of 3.55 hours. a. Construct a 98% confidence interval for the population mean u. Round your answers to two decimal places. to hours A sample of 1100 observations taken from a population produced a sample proportion of 0.30. Make a 90% confidence interval for p. Round your answers to three decimal places. to The true population proportion for this population is 0.34. Does the confidence interval constructed cover this population proportion? The confidence interval | the true population proportion.

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