The Department of Service Financing in the city of Belmont, New York, has been experimenting with having city units provide services in-house versus having private contractors provide the same services. In the city's ground department, half of the landscaping work is performed by city crews, whereas the other half is performed by a private landscaping firm. The city manager has collected random samples of weekly expense report data for both providers. She asks you to conduct a difference of means test. What can the city manager conclude about the difference between in-house and private-service provision

Azster inc. recorded sales revenue for the year that ended december 31, 2014 as $67,000. interest revenue of $5,300 and expenses of $14,000 were also recorded for the same period. what is aster’s net profit or loss?

Afirm wants to hire a project manager (pm) at a salary of $100,000. 30% of pms have high ability, and 70% of pms have low ability. high ability pms generate $120,000 in revenue and low ability pms generate $80,000 in revenue. in addition to differences in productivity, high and low ability pms have different outside offers. if a high ability pm is not hired by the firm, she can work for another company at a salary of $80,000. if the low ability pm is not hired by the firm, she can work for another company for $70,000. high ability pms are also able to get a project management professional (pmp) certification at a cost of $1,000. low ability pms are unable to get a pmp certification (they would fail the test). the firm is not able to observe a pm’s ability, but is able to observe and verify whether or not the pm has a pmp certificate.(a) draw the extensive form of the game.expert answer

Sunglasses are just as protective as safety glasses?