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# 1) Draw plots of (a) A typical reliability curve and, (B) A hazard rate curve 2) What is the difference between hazard rate and failure rate?

1) Draw plots of (a) A typical reliability curve and, (B) A hazard rate curve

2) What is the difference between hazard rate and failure rate?

3) Write the standard formulation of an optimization problem. How would you write a problem in the standard form if the objective is of (a) More is better (MIB) type, (b) Nominal is better (NIB) type and (c) Lower is better (LIB) type

4) A system's output given by ????(????,????)=3????2+????2+????+3???? needs to be minimized subject to the constraints that both x and y be greater than -10. Solve this optimization problem using Excel solver or any optimization software of your choice.