Find the mean of the given probability distribution. The probabilities that a batch of 4 computers...
Find the mean of the given probability distribution.
The probabilities that a batch of 4 computers will contain 0, 1,2,3, and 4 defective computers are 0.4979, 0.3793, 0.1084, 0.0138, and 0.0007, respectively. Round answer to the nearest hundredth.
Homework Answers
| x | 0 | 1 | 2 | 3 | 4 |
| P(X) | 0.4979 | 0.3793 | 0.1084 | 0.0138 | 0.0007 |
Mean = 
X * P(X)
= 0 * 0.4979 + 1 * 0.3793 + 2 * 0.1084 + 3 * 0.0138 + 4 * 0.0007
= 0.6403
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