Young's mo an clastic material Suppne that for aluminen ally JM 16 GPL respectively values given in the brick "17 Stamping Processes! A Stochatic Analyde" ad fifianced Maou-Jan, 2010, 117-14) a. If X is the sample mean Young's modulus for a ra dom sample of 16 cheets, where is the samplin distribution of centered, and what is the standar deviation of the X distribution? b. Answer the questions posed in part (a) for a sample size of n - b64 sheets. For which of the two random samples, the one of part (3) or the one of part (b), is X more likely to be within | GP, of 70 GPS? Explain your reasoning.