statistics and Probability

I In how many ways can first, second, and third prizes be awarded in a contest with 870 contestants? play this game: You randomly select one marble from the bag. If it is gold, you win 54. If 2 A bag contains 3 gold marbles, 7 silver marbles, and 26 black marbles. Someone offers to it is silver, you win 52. If it is black, you lose 51. Giving a test to a group of students, the grades and gender are summarized below If one student is chosen at random, Find the probability that the student was female 0R got an "A'. Suppose that 49% of people own dogs. If you pick two people at random, what is the probability that they both own a dog? I Calculate the average (mean) of the data shown, to two decimal places The buxplot below shows salaries for Construction workers and Teachers. 6 Construction Teacher l:|:| 4illioto 20 25 30 35 40 4'5 50 55 Salary (thousands afs) Q If a person Is making the median salary fora constructlon worker, they are making more than what percentage of Teachers? They are maklng more than I: 96 of Teachers