The average annual return over the period 1886-2006 for stocks that comprise the S&P 500 is 8%, and the standard deviation of returns is 20%. Based on these numbers what is a 95% confidence interval for 2007 returns?

Abroker showed one of his own listings to a buyer he was representing. the buyer decided to make an offer on the property, which was accepted. at no point did the broker disclose his dual agency status. the broker may be:

Visburg concrete company pours concrete slabs for single-family dwellings. lancing construction company, which operates outside visburg's normal sales territory, asks visburg to pour 40 slabs for lancing's new development of homes. visburg has the capacity to build 300 slabs and is presently working on 250 of them. lancing is willing to pay only $3, 300 per slab. visburg estimates the cost of a typical job to include unit-level materials, $1, 440: unit-level labor, $720: and an allocated portion of facility-level overhead, $1, 200. required calculate the contribution to profit from the special order. should visburg accept or reject the special order to pour 40 slabs for $3, 300 each?

Bear, inc. estimates its sales at 200,000 units in the first quarter and that sales will increase by 20,000 units each quarter over the year. they have, and desire, a 25% ending inventory of finished goods. each unit sells for $35. 40% of the sales are for cash. 70% of the credit customers pay within the quarter. the remainder is received in the quarter following sale. cash collections for the third quarter are budgeted at