The Probabilities That a Batch of 4 Computers Will Contain

question 111

Multiple Choice

The probabilities that a batch of 4 computers will contain 0,1,2,3,and 4 defective computers are 0.4746,0.3888,0.1195,0.0163,and 0.0008,respectively.Find the standard deviation of the number of defective computers.

• A)0.75
• B)0.56
• C)1.01
• D)0.70
• E)0.87

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