The weights of four randomly and independently selected bags of potatoes labeled 20 pounds were found to be 20.9, 21.7, 21.2, and 21.8.Assume Normality.

a. Using atwo-sided alternativehypothesis, should you be able to reject the hypothesis that the population mean is 20 pounds using a significance level of 0.05? Why or whynot? The confidence interval is reportedhere: I am 95% confident the population mean is between 20.7 and 22.1 pounds.