Which of the following is not an example of nonverbal communication?

a.

using facial expressions

b.

talking on the telephone

c.

making eye contact

d.

making hand gestures

Awell-diversified portfolio needs about 20-25 stocks from different categories.

Which of the following “invisible” marks represents an inserted tab?

Assume that there is a 4% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on three independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?