What does the confidence interval for X8 Technical Support in Model 1 suggest? Question 13Answer a. The confidence interval contains 0, which suggests that this variables has a non-zero impact on the dependent variable X19 Customer Satisfaction. b. The confidence interval contains 0, which suggests that this variables has zero impact on the dependent variable X19 Customer Satisfaction. c. The confidence interval does not contain 0, which suggests that this variables has zero impact on the dependent variable X19 Customer Satisfaction. d. The confidence inter