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 400 or higher on the test?

Men have a higher proportion of __________ in their brains than do women

a) emotional control b) gray matter c) prefrontal cortex d) white matter

More men than women tend to get stuck in the childhood phase

Indicate whether the statement is true or false.