TRUE/FALSE : PLEASE GIVE REASON WHY
1. Nondiversifiable risk, which is measured by beta, can be lowered by adding a greater variety of stocks to a portfolio
2. Diversifiable risk can be lowered by adding a greater variety of stocks to a portfolio.
3. A stock's beta is more relevant as a measure of risk to an investor with a welldiversified portfolio than to an investor who holds only one stock.