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What is the probability of 3 or more errors

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Reference no: EM132385055

A wave soldering process is used in printed circuit boards. It is known that the error rate is 200 per million solders, where errors occur randomly and independently. A given board requires 5000 solders.

a) What is the probability of 3 or more errors in a circuit board?

b) Find the probability of a board having no solder errors.

c) If a new design requires 2000 solders per board, what is the probability of an error- free board?

Reference no: EM132385055

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