Explain the difference between union and intersection?

Use the normal model n(100,16) describing iq scores to answer the following. a) what percent of people's iqs are expected to be over 85? b) what percent of people's iqs are expected to be under 95? c) what percent of people's iqs are expected to be between 108 and 128?

On average, being married has a(n) effect on happiness.

Wich of the following lines of poetry contains a simile