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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
The quality control department at Alexander Fasteners measured the length of 100 bolts randomly selected from a specified order. The mean length was found to be 9.75 cm, and the standard deviation was 0.01 cm. If the bolt lengths are normally distributed, find
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(a) The percentage of bolts shorter than 9.74 cm
(b) The percentage of bolts longer than 9.78 cm
(c) The percentage of bolts that meet the length specification of 9.75 :!: 0.02 cm
(d) The percentage of bolts that are longer than the nominal length of 9.75 cm
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