A in each class and she is taking 4 classes will get 50 If she gets 3 A s she gets 25 If she does worse than that she gets nothing She has a 70 chance of getting an Draw a tree diagram representing her possibilities for her final grades Hint Use A or Not A for your branches What is the probability she gets all A s What is the probability she gets 3 A s What is the expected value for how much money she expects to get each semester QUESTION 10 Jodi gets 15 a week for allowance She also loves to play basketball Jodi wants to convince her father to try something new with her allowance based on her basket shooting talent hoping that it will increase what she receives Jodi suggests that instead of getting 15 she attempts shooting baskets each week for her allowance Create a tree diagram to help solve the problems If she misses the first basket she gets only 5 If she makes the first basket she gets 15 and a chance to make another basket for an additional 5 Jodi can make a basket 60 of the time To help Jodi s father decide whether to use the new allowance plan find the probability of Jodi making 0 baskets 1 basket and 2 baskets How much allowance should Jodi expect to receive in a year P 0 P 1 P 2