C8 Q1 V2: A random sample of 100 students is taken from a larger population of students in a multi-lecture course and the sample mean (average) of their final grades is found to be 62.25. Suppose it is known that the population standard deviation is 3.2. You wish to create a 94% confidence interval. Which of the following statements is most correct? O The za/2 (found from R) used to calculate the 94% confidence interval is 1.880794. O The za/2 (found from R) used to calculate the 94% confidence interval is 0.03. O The za/2 (found from R) used to calculate the 94% confidence interval is 1.554774. O The za/2 (found from R) used to calculate the 94% confidence interval is 2. 17009