Question
Twelve percent of transistors fabricated by a factory are defective. The random variable X is equal to 1, if a randomly chosen transistor is defective,
Twelve percent of transistors fabricated by a factory are defective. The random variable X is equal to 1, if a randomly chosen transistor is defective, and 0, if a randomly chosen transistor is normal. Find the sample variance.
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Prealgebra
Authors: Marvin L Bittinger, David J Ellenbogen, Barbara L Johnson
7th Edition
032164008X, 9780134347202
