
2 Events and Probability
Section 2.1: Sets
2.1. Give three examples of impossible events from everyday life.
Solution: Examples may include the sun rising in the West and setting in the East, water flowing upstream,
and time going backwards.
2.2. Give three examples of impossible events from fluids engineering.
Solution: Examples may include fluid with no viscosity, higher density fluid rising, and pressure head
decreasing with increasing column height.
2.3. Give three examples of impossible events from materials engineering.
Solution: Examples may include temperature dipping below 0 degrees Kelvin, massless material, inexten-
sible metal.
2.4. Give three ...