Question
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
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 90 GPa and 1.6 GPa, respectively. Suppose the distribution is normal. (Round your answers to four decimal places.)
Solve it true
(a) Calculate P(89X91) when n=9. (b) How likely is it that the sample mean diameter exceeds 91 when n=16Step by Step Solution
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Elementary Statisitcs
Authors: Barry Monk
2nd edition
1259345297, 978-0077836351, 77836359, 978-1259295911, 1259295915, 978-1259292484, 1259292487, 978-1259345296
