Save Question Student Answer Res 1. The sample size is 100, the mean is 73, and your level of significance is .05 so calculate the alpha value? O Alpha is the confidence interval O Alpha is 0.05 O Alpha is the confidence level Hint O Alpha is 95% O Level of significance = 1 - alpha Marks possible: 1 (id #133) Save 2. Which statement is correct? O The number of degrees of tail = 1 - alpha. O Confidence intervals are two tail calculations. O Confidence intervals are one tail calculations. There is only one correct answer. Hint Confidence intervals can have one, two, or three tails. It depends on the question. O Confidence intervals have no tails. Dogs have tails. The question is silly. Marks possible: 1 (id #134) Save