5.69 A consultant has three sources of incomefrom teaching short courses, from selling computer software, and from
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5.69 A consultant has three sources of income—from teaching short courses, from selling computer software, and from advising on projects. His expected annual incomes from these sources are $20,000, $25,000, and
$15,000, and the respective standard deviations are
$2,000, $5,000, and $4,000. Assuming independence, find the mean and standard deviation of his total annual income.
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Related Book For
Statistics For Business And Economics
ISBN: 9780273767060
8th Global Edition
Authors: Paul Newbold, Mr William Carlson, Ms Betty Thorne
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