Question 4 2 pts This question refers to the question immediately preceding this question. If the level of significance were .05, and it was wondered if this group of new employees might require more time than the amount of time usually required, what would be the critical value you would get form the table for this situation. (Do not precede this value with a z= or a t= identifier, just the value)Question 3 2 pts The mean time for employees to learn a particular typical frying skill is 40 minutes, with a standard deviation of 1.6 mintues. A new group of 100 employees had been hired and were being trained. It was found that this new group of employeees required a mean time of 40.6 minutes to learn this task. Which of the following would be the calculated test statistic for this situation? O z = 1.37 O z = 2.90 O t = 4.34 O z = 3.75