Suppose there are 5 faulty products out of 100 products in a palette in a factory floor. A Quality Engineer pulls 5 products from the palette, randomly. And He/She doesn’t put them back to the palette. a. Which distribution this experiment fits into and why?  b. What is the probability of finding no faulty parts?  c. What is the probability of finding two faulty products?

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Operational Amplifier

An operational amplifier also called op amp is an integrated circuit or analog circuit that takes input as a differential voltage and produces output as a single-ended voltage. It is an IC that can amplify weak electric signals.An op amp has one output pin and two input pins. The basic role of an opamp is to amplify the voltage difference between the two input voltages. It is also used in filtering or to perform mathematical operations or in signal conditioning.