Given that on one section of the SAT the mean is 500 and the standard deviation is 100, what is the approximate probability of a student scoring 700 or higher on the test?

"Companionate" grandparents usually are all of the following EXCEPT they

a) don't take responsibility for their grandchildren. b) call and visit their grandchildren, and occasionally take them on vacation without the parents. c) act as supporters and buddies to their grandchildren. d) hold clear expectations about the way their grandchildren should behave.

According to psychosexual theory, what are the two instinctual drives that contribute to personality development?

a. Sexuality and shame b. Aggression and affiliation c. Sexuality and aggression d. Sexuality and inhibition