ABC Manufacturing has a policy that it will reject a shipment of parts from its
ID: 3300471 • Letter: A
Question
ABC Manufacturing has a policy that it will reject a shipment of parts from its supplier if inspectors find any defective parts in a shipment. The supplier has been in business many years and has a long term defective rate for parts of 3.9%. random sample of S parts from the Question !1 what is the probablity that a ment will be rejected after a pm ample of parts is checked A local university f the morning students, 25% of the afternoon students, and 15% of the evening students live on campus. it could classify its students into one of three general categories dents 44% afternoon students 29% a devening students 39% of or inas Question 2 What is the probability a non Evening student does not live on campus? A retail company must choose a few employees to send to a national retail conference. of the 770 employees at this company, 481 are male. Question 3 #4 employees-e randomly down, find the probabtry that e-actly , are male.Explanation / Answer
a) Shipement wiill be rejected if any of sample parts will be defective
1-P( X = 0)
Use excel function
1-BINOM.DIST(0,5,0.039,FALSE)
= 0.1804 ( Rounded to four places of decimal)
b) It will be
1-0.15 = 0.85
c) Proportion of males = 481/770 = 0.624675
p( X = 3)
use excel function
BINOM.DIST(3,4,0.624675,FALSE)
= 0.3660 ( Rounded to four places of decimal)