Question: quality control subject -2- Question 1 /Soalan 11 (a) A product is made up of several components and backup systems. The reliability of these components/backup

quality control subject
-2- Question 1 /Soalan 11 (a) A product is made up of several components and backup systems. The reliability of these components/backup systems is shown in Figure 1 while the probability values are listed in Table 1. The suppliers have suggested improving the reliability of components Pa and Pf to 0.9999. However due to budget constraints, the company can only change Pa or Pf. Calculate the system reliability for both scenarios. Which component change gives the highest reliability? (Sesuatu produk terdiri daripada beberapa komponen dan sistem sokongan. Keboleharapan komponen/sistem sokongan ini ditunjukkan dalam Rajah / sementara nilai kebarangkalian disenaraikan dalam Jadual 1. Pembekal telah mencadangkan penambahbaikan keboleharapan komponen Pa dan Pf kepada 0.9999, Walaupun begitu, disebabkan kekangan kewangan, syarikat hanya boleh menukar Pa atau PJ. Kirakan keboleharapan sistem untuk kedua-dua senario. Perubahan komponen yang mana satukah yang memberi keboleharapan tertinggi?) (7 Marks/ markah) Pb Pa Pd Pc Pe Pf Figure 1: The reliability of the system (Rajah 1]: Keboleharapan sistem SULIT SULIT (EBT439) -3- Table 1: Probability values (Jadual 1): Nilai kebarangkalian Component Reliability Pa 0.661 Pb 0.6325 Pc 0.5923 Pd 0.8665 Pe 0.7044 PE 0.6038 (b) This product is the tyre of a car. Is the improved reliability satisfactory? [Produk ini adalah tayar sebuah kereta. Adakah keboleharapan yang telah ditambahbaik itu memuaskan?] (3 Marks/ markah)Step by Step Solution
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