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Which of the following critical values is appropriate for a 98% confidence level where n = 7, o = 27, and the population appears to

Which of the following critical values is appropriate for a 98% confidence level where n = 7, o = 27, and the population appears to be normally distributed? O A. ta/2 = 2.575 O B. Za/2 =2.33 O C. ta/2 = 1.96 O D. Za/2 = 2.05

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