Homework6-2011 - Homework 6 Homework must be answered in the order shown here(else please make a note telling the reader where it is Write your

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Homework 6 Homework must be answered in the order shown here (else please make a note telling the reader where it is). Write your answers neatly Work must be shown for full credit No late homework accepted under any circumstances 1.- The width of a slot of a duralumin forging is (in inches) normally distributed with μ = 0.9000 and σ = 0.0030. The specification limits were given as 0.9000 ± 0.0050. (a) What percentage of forgings will be defective? (b) What is the maximum allowable value of s that will permit no more than 1 in 100 defectives when the widths are normally distributed with m=0.9000 and s? 2.- The weight of anodized reciprocating pistons produced by Brown Company follows a normal distribution with mean 10 lb and standard deviation 0.2lb. a.- The heaviest 2.5% of the pistons produced are rejected as overweight. What weight, in pounds, determines the overweight classification? Give your arguments. b.- Suppose Brown Company can sell only those pistons weighing between 9.8 and 10.4 lbs.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This document was uploaded on 03/20/2011.

Page1 / 2

Homework6-2011 - Homework 6 Homework must be answered in the order shown here(else please make a note telling the reader where it is Write your

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online