Problem 39E

Of n1 randomly selected engineering students at ASU,X1 owned an HP calculator, and of n2 randomly selected engineering students at Virginia Tech, X2 owned an HP calculator. Let p1 and p2 be the probability that randomly selected ASU and Virginia Tech engineering students, respectively, own HP calculators.

Chapter 1. Introduction to Material Levels of ‘Structure’ Science and Engineering • Subatomic structure involves electrons within • Material science involves investigating relationships individual atoms and their interaction with between the structures and properties of materials. nuclei.Angstrom (1 Å = 10 -10m) • Materials engineering involves designing the structure • At the atomic level, structure refers to the of a material to produce predetermined properties.