Hello! I'm having trouble with these questions. Any help is appreciated.

A college foundation raises funds by selling 600 raffle tickets for a new car worth $37,000 at $140 each. (a) Find the expected net winnings of a person buying one of the tickets. (b) Find the total profit for the foundation, assuming they had to purchase the car. (c) Find the total profit for the foundation, assuming the car was donated. (a) The expected net winnings are $ (Round to the nearest hundredth as needed.)A commercial building contractor will commit her company to one of three projects depending on her analysis of potential profits or losses as shown here Project A Project B Project C Profit or Loss Probability Profit or Loss Probability Profit or Loss Probability X P(x) X P(x) X P(x) $20,000 0.18 $0 0.36 $60,000 0.66 140,000 0.57 220,000 0.28 350,000 0.34 220,000 0.25 280,000 0.36 Determine which project the contractor should choose according to expected values. . . .. . Choose the correct answer below. O Project B O Project A O Project CA certain game involves tossing 3 fair coins, and it pays 12 for 3 heads, 10 for 2 heads, and 591 for 1 head. Is 10 a fair price to pay to play this game? That is. does the 10 cost to play make the game fair? The 10 cost to play is not a fair price to pay because the expected winnings are 9:. (Type an integer or a - 'yeur answer.) is net is In a certain mathematics class, the probabilities have been empirically determined for various numbers of absentees on any given day. These values are shown in the table below. Find the expected number of absentees on a given day Number absent 0 1 2 3 4 5 6 Probability 0.02 0.05 0.11 0.25 0.37 0.11 0.09 The expected number of absentees on a given day is (Round to two decimal places as needed.)Eight thousand raffle tickets are sold. One first prize of $3000, two second prizes of $1000, and three third prizes of $300 each will be awarded, with all winners selected randomly. If you purchased one ticket, what are your expected gross winnings? . . .. . The expected gross winnings are cents . (Round your answer to the nearest whole cent.)