Could you solve the questions please? THANK YOU VERY MUCH!!!

3 It is estimated that 45% of people in Fast-Food restaurants order a diet drink with their lunch. Find the probability that the fourth person orders a diet drink. Also find the probability that the first diet drinker of the day occurs before the 5" person.5 Mr. P has an opportunity for you--A box contains ten dollar bills, five two dollar bills, three five dollar bills, one ten dollar bill and one $100 bill. I am going to charge you $20 to pick a bill from the box. What do you think??? a) Construct a probability distribution table b) Find the expected value for Mr.P's game c) Comment(Explain in complete sentences) regarding the fairness of this game