When the population standard deviation is unknown, we substitute the sample standard deviation in its place to calculate confidence intervals

Broker Sullivan delivered an offer to purchase real property to Owner Mercer at 11 a.m. on Monday. Mercer asked for 24 hours to consider the offer. At 7 p.m. that same day, Broker Sullivan received two additional offers from different buyers through one of the broker's salespersons. Sullivan firmly believes the owner will reject all three offers. In order to comply with the law, Sullivan must:

A: Hold the new additional offers until the owner has considered the offer handed him at 11 a.m.; B: Present the two additional offers to the owner in the same sequence in which the salesperson obtained them; C: Simultaneously present the two additional offers to the owner as soon as the owner is available; D: Do none of the above.

Eric Brown is a human resource manager in a company selling and manufacturing personal computers. Who among the following is Eric most likely to hire as a salesperson if his objective is to minimize training costs post recruitment?

A) Samantha, a fresh college graduate B) Richard, a product developer from a competing firm C) Nancy, an experienced engineer with no prior experience in personal selling D) Melissa, a proven salesperson from a competing firm E) Henry, a young salesperson with a few months' experience in a large MNC