Solve the Problem. -The Probabilities That a Batch of 4 Computers Will Contain

question 99

Multiple Choice

Solve the problem.
-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 0.0010, respectively. Find the variance for the probability distribution.

• A)0.59
• B)0.77
• C)1.11
• D)0.51

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