Answer:
The Expected Earning for the college graduates is 40,000
Step-by-step explanation:
The Expected Earning for a college alum with a four year college education in financial matters is determined as weighted normal all things considered, utilizing likelihood of every result as its weight.
Although the Expected Earning is;
Expected Earning = (25% × 30,000) + (50% × 40,000) + (25% × 50,000)
Expected Earning = 0.25 × 30,000 + 0.5 × 40,000 + 0.25 × 50,000
Expected Earning = 7500 + 20,000 + 12,500
Expected Earning = 40,000