Question
During the assembly of a certain piece of exercise equipment, 3 welds are required during different phase of the assembly process. It is assumed that
During the assembly of a certain piece of exercise equipment, 3 welds are required during different phase of the assembly process. It is assumed that the welds are performed independently of one another. Due to variation in the technique and materials used, only 97% of all welds are performed satisfactorily, with the remaining 3% being classified as defective.
(i)What percentage of all pieces of this type of equipment will have at least one defective weld?
(ii)The production manager would like 95% of all pieces of this type of equipment to have no defective welds. As much, the percentage of satisfactory welds must be increased. To what value must the percentage be increased in order that exactly 95% of all pieces of equipment have no defective welds?
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started