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0 Question 7 v To earn Jll credit for this question, use your own sheet of paper to solve the problem, showing all steps of your work. A ping pong ball is drawn at random from an urn consisting of balls numbered 4 through 9. A player wins $1.5 ifthe number on the ball is odd and loses $1.5 if the number is even. Let x be the amount of money a player will win/lose when playing this game, where x is negative when the player loses money. (a) Construct the probability distribution table for this game. Round your answers to two decimal places. mn (b) What is the expected value of player's winnings? Round to the nearest hundreth. C] (c) Interpret the meaning of the expected value in the context of this problem. /, Use the space below to type your answer AN DIOR to upload a picture of your work for all the questions in this problem. To upload a picture of your work, use a cellphone camera or a free scanning app {such as Adobe Scan, Simple Scanner, If one student is chosen at random, (answers can be in fraction forms or decimal rounded to four places) Find the probability that the student got an A: :] Find the probability that the student was female AND got a "C": :] Find the probability that the student was female OR got an "C": :] Find the probability that the student was male GIVEN that the student got a 'B': 0 Question 8 v To earn full credit for this question, use your own sheet of paper to solve the problem, showing all steps of your work. The owner of a small deli is trying to decide whether to discontinue selling magazines. He suspects that only 10.7% of his customers buy a magazine and he thinks that he might be able to use the display space to sell something more protable. Before making a final decision, he decides that for one day he will keep track of the number of customers that buy a magazine. (a) Explain why this is a binomial experiment. // (b) Assuming his suspicion that 10.7% of his customers buy a magazine is correct, what is the probability that exactly 6 out of the rst 10 customers buy a magazine? Give your answer as a decimal number rounded to two digits. [:1 (c) What is the expected number of customers from this sample that will buy a magazine? [:1 Use the space below to type your answer AN DIOR to upload a picture of your work for all the questions in this problem. To upload a picture of your work, use a cellphone camera or a free scanning app {such as Adobe Scan, Simple Scanner, 'liny Scan, ...), download the picture or document to your own computer via email, and attach your document using the "attach le" sign (paper clip symbol) on the menu bar below. Please do not use "insert/edit image" {picture sign) to upload your file