Index mutual funds tend to have lower expenses than other types of mutual funds

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?

A) approximately 2.5% B) approximately 5% C) at most 11% D) at most 25% E) at most 12.5%

A company has $200 in cash, $500 in accounts receivable, and $700 in inventory. If current liabilities are $400, then the quick ratio would be

a. 1.75 to 1 b. 2.25 to 1 c. 3.00 to 1 d. 3.50 to 1