A consultant has three sources of incomefrom teaching short courses, from selling computer software, and from advising
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Question:
A consultant has three sources of incomefrom teaching short courses, from selling computer software, and from advising on projects. His expected annual incomes from these sources are $20,000, $36,000,
and $12,000, and the respective standard deviations are $2,000, $6,000, and $4,000.
Assuming independence, find the mean and standard deviation of his total annual income.
W=______
(Round to the nearest dollar as needed.)
W=$____
(Round to the nearest dollar as needed.)
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