You'd own 30% of the company and should get that much of the proceeds after expenses and liabilities once there was an equity event (sell, go public, etc). Typically equity comes into play as distributions of profit. You get paid based on the percentage of distributed profit.

The stake that someone has in a company refers to what percentage of it they own. If you own a 10% stake in a company worthR$100,000, your stake is worthR$10,000.

The roulette wheel selection method is used for selecting all the individuals for the next generation. It is a popular selection method used in a genetic algorithm. A roulette wheel is constructed from the relative fitness (ratio of individual fitness and total fitness) of each individual.

To determine the winning number, a croupier spins a wheel in one direction, then spins a ball in the opposite direction around a tilted circular track running around the outer edge of the wheel.