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The GPA of accounting students in a university is known to be normally distributed. A random sample of 32 accounting students results in a mean of 2.95 and a standard deviation of 0.18. Construct the 99% condence interval for the mean GPA of all accounting students at this university. Multiple Choice 0 2.95 i1.729(0.18/M) 2.95 i 1.96(0.18 I x/3_2) 2.95 i 2.744(0.18/m) O O 2.95 i 2.086(0.18/m) O A sample of 2,016 American adults was asked how they viewed China, with 20% of respondents calling the country "unfriendly" and 5% of respondents indicating the country was "an enemy". Construct a 95% confidence interval of the proportion of American adults who viewed China as either "unfriendly" or "an enemy." Multiple Choice O [0.2311, 0.2689] O [0.2403, 0.2597] O [0.2208, 0.2792] O [0.2341, 0.2659]What is the minimum sample size required to estimate a population mean with 95% confidence when the desired margin of error is 1.3? The population standard deviation is known to be 10.41. Multiple Choice O n=188 n= 247 O O n=187 O n= 246