The difference between bipolar I and bipolar II disorders is the presence of ________ in the latter instead of a full-blown manic episode

The probability that either A or B will occur, P(A union B), = P(A) + P(B) - P(A intersection B), regardless of whether A and B are mutually exclusive.

a. true b. false

In the presence of others, performance suffers on difficult tasks

Indicate whether the statement is true or false.