Section A
Q1. Answer all of the following :
(a) Explain Single and Double Sampling Plans for attributes.
(b) Give any three definitions of Operations Research. What are the advantages and disadvantages of Operations Research Models ?
(c) Describe the problem of replacement of items whose maintenance cost increases with time. (Assume the value of money is constant over time and time is discrete).
(d) Define (i) LTPD (ii) Consumer's risk (iii) Producer's risk and (iv) OC curve.
(e) What is SPSS ? Briefly explain its salient features.