Q1. In the figure given below, operation 4 represents a rework operation on parts that fail inspection upon completion of operation 2. (Note: d, represents the defect rate for operation i) 2 7500 units d₂=10 d,-4% d.-5% d-50% a. How many units must the process start with in order to meet the required output of 7500 units in a week? b. Assume that operation 1 operate for 16 hours per day, five days per week. Assuming that 3 minutes standard time, 90% efficiency and 95% reliability, how many machines are needed for operation 1, given the information in part d?

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Q1. In the figure given below, operation 4 represents a rework operation on parts that fail
inspection upon completion of operation 2. (Note: d, represents the defect rate for
operation i)
2
7500 units
d₂=10
d, -4%
d.-5%
4
d -50%
a. How many units must the process start with in order to meet the required output of
7500 units in a week?
b. Assume that operation 1 operate for 16 hours per day, five days per week. Assuming
that 3 minutes standard time, 90% efficiency and 95% reliability, how many
machines are needed for operation 1, given the information in part d?
-
3
Transcribed Image Text:Q1. In the figure given below, operation 4 represents a rework operation on parts that fail inspection upon completion of operation 2. (Note: d, represents the defect rate for operation i) 2 7500 units d₂=10 d, -4% d.-5% 4 d -50% a. How many units must the process start with in order to meet the required output of 7500 units in a week? b. Assume that operation 1 operate for 16 hours per day, five days per week. Assuming that 3 minutes standard time, 90% efficiency and 95% reliability, how many machines are needed for operation 1, given the information in part d? - 3
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