A consultant has three sources of income—from teaching short courses, from selling computer software, and from advising
Posted: Wed Mar 09, 2022 8:32 am
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 $40,000, $25,000, and $18,000, and the respective standard deviations are $4,000, $5,000, and $6,000. Assuming independence, find the mean and standard deviation of his total annual income. uw = $ (Round to the nearest dollar as needed.) ow = $ (Round to the nearest dollar as needed.)