The standard deviation for a population is σ=14.4. A sample of 17 observations selected from this population gave a mean equal to 141.30. The population is known to have a normal distribution. Round your answers to two decimal places. a. Make a 99% confidence interval for μ. ( Enter your answer; 99% confidence interval, lower bound ,Enter your answer; 99% confidence interval, upper bound  ) b. Construct a 95% confidence interval for μ. ( Enter your answer; 95% confidence interval, lower bound ,Enter your answer; 95% confidence interval, upper bound  ) c. Determine a 90% confidence interval for μ. ( Enter your answer; 90% confidence interval, lower bound ,Enter your answer; 90% confidence interval, upper bound  )

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