The object of a popular carnival game is to roll a ball up an incline into regions with different values. The probability that Reed will get 100 points in a roll is 30%, 200 points is 55%, and 300 points is 15%. The expected value, E(X), of a roll is:

In stepmber, daniel and justin opened a business. during their first three months of business, their average monthly profit was $51. if during their first month, they lost $29, and during their second month, they gained $115, what was their profit or loss for their third plzzz i will give you 299 points