At the U.S. Open Tennis Championship a statistician keeps track of every serve that a player hits during the tournament. The statistician reported that the mean serve speed was 100 miles per hour (mph) and the standard deviation of the serve speeds was 15 mph. If nothing is known about the shape of the distribution, what percentage of the player's serve speeds are less than 70 mph?

Achievement-Motivation Theory suggests that a majority of people have the need to win or to exceed a standard of excellence.

a. true b. false

A buyer's agent submitted an offer to purchase a home to a seller along with a $10,000 personal note as the earnest money deposit. The buyer's agent is to:

a. inform the seller that the earnest money deposit is a personal note prior to the seller's acceptance of the offer. b. avoid telling the seller what form of earnest money deposit that accompanies the offer is in. c. never accept a personal note as an earnest money deposit. d. refuse to present the offer.