Testing: H0:,u=43 lep943 Your sample consists of 50 values, with a sample mean of 44.9. Suppose the population standard deviation is known to be 4.13. a) Calculate the value of the test statistic, rounded to 2 decimal places. 2 = C] b) At a: = 0.03, the rejection region is Oz 1.88 Oz 2.17 Oz 2.17 Oz > 1.88 c) The decision is to O Fail to reject the null hypothesis 0 Accept the null hypothesis 0 Accept the alternative hypotheis O Reject the null hypothesis d) Suppose you mistakenly rejected the null hypothesis in this problem, what type of error is that? 0 Type | 0 Type