Which statement is correct?

1. A portfolio that contains at least 30 diverse individual securities will have a beta of 1.0.
2. Any portfolio that is correctly valued will have a beta of 1.0.
3. A portfolio that has a beta of 1.12 will lie to the left of the market portfolio on a security market line graph.
4. A risk-free security plots at the origin on a security market line graph. An underpriced security will plot above the security market line.