Math 227 Statistics section 20883 Mark Rodriguez-Abad | 9/19/18 4:48 PM Homework
ID: 3071901 • Letter: M
Question
Math 227 Statistics section 20883 Mark Rodriguez-Abad | 9/19/18 4:48 PM Homework: Section 3.4 &3.5 Homework Score: 0 of 1 pt 3.4.14 Save 6 of 29 (28 complete) Hw Score: 77.95%, 41.31 of 53 pts Question Help A manufacturer of bolts has a quality-control policy that requires it to destroy any bolts that are more than 4 standard deviations from the mean. The quality-control engineer knows that the bolts coming off the assembly ine have mean length of 13 cm with a standard deviation of 0.10 cm. For what lengths will a bolt be destroyed? Select the correct choice below and fill in the answer box(es) to complete your choice. Round to one decimal place as needed.) A. A bolt will be destroyed if the length is greaterthancm O B. { @ee, d:ranged iix-K?km"Ih is.kiekXYnDian Nd.ail. OC. A boit will be destroyed if the length is less than cm or greater than OD A bolt will be destroyed if the length is less than cm. Click to select and enter your answers) and then click Check Answer. Clear All Check AnswerExplanation / Answer
Length for which bolt will be destroyed
= 13 + 4*0.10
= 13.40
Hence,
Option A; 13.4