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 line have mean length of 10 cm with a standard deviation of 0.10 cm. For what lengths will a bolt be destroyed? A. a bolt will be destroyed if the length is between cm and cm.
B. a bolt will be destroyed if the length is less than cm or greater than cm.
C. a bolt will bs destroyed if the length is less than cm.
D. a bolt will be destroyed if the length is greater than cm.