Young's modulus is a quantitative measure of stiffness of an elastic material. Suppose that for metal sheets of a particular type, its mean value and standard deviation are 70 GPa and 2.4 GPa,...

Extracted text: Young's modulus is a quantitative measure of stiffness of an elastic material. Suppose that for metal sheets of a particular type, its mean value and standard deviation are 70 GPa and 2.4 GPa, respectively. Suppose the distribution is normal. (Round your answers to four decimal places.) n USE SALT (a) Calculate P(69 < xs="" 71)="" when="" n="25." (b)="" how="" likely="" is="" it="" that="" the="" sample="" mean="" diameter="" exceeds="" 71="" when="" n="">