Question: (10 points) Note: Each bound should be rounded to three decimal places. A random sample of n = 100 observations produced a mean of

(10 points) Note: Each bound should be rounded to three decimal places. A random sample of n = 100 observations produced a mean of x = 23 with a standard deviation of s = 7. (a) Find a 95% confidence interval for Lower-bound: Upper-bound: (b) Find a 90% confidence interval for Lower-bound: 21.838 Upper-bound: 24.162 (c) Find a 99% confidence interval for Lower-bound: Upper-bound:

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