Since the solution to 19E from 4.5 chapter was answered, more than 285 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 19E from chapter: 4.5 was answered by , our top Statistics solution expert on 06/28/17, 11:15AM. The answer to “Let X~N(?,?2), and let Z=(X??)/?. Use Equation (4.25) to show that Z~N(0,1)” is broken down into a number of easy to follow steps, and 12 words. Statistics for Engineers and Scientists was written by and is associated to the ISBN: 9780073401331. This full solution covers the following key subjects: let, show, equation, use. This expansive textbook survival guide covers 153 chapters, and 2440 solutions. This textbook survival guide was created for the textbook: Statistics for Engineers and Scientists , edition: 4.