From past experience, a company has found that in carton of transistors: 92% contain no defective...

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From past experience, a company has found that in carton of transistors: 92% contain no defective...

From past experience, a company has found that in carton of transistors:

92% contain no defective transistors
3% contain one defective transistor,
3% contain two defective transistors, and
2% contain three defective transistors.

Calculate the mean and variance for the defective transistors.

Mean =

Variance =

(Please round answers to 4 decimal places.)

math Statistics-And-Probability

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