(Choose 1 answer)
The probabilities that a batch of 4 computers will contain 0, 1, 2, 3, and 4 defective computers are 0.4521,0.3970, 0.1307, 0.0191, and 0.0011, respectively. Find the variance for the probability distribution.
A. 0.59
B. 1.11
C. 0.77
D. 0.51
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Exit (18