math 143 questions there all difffrent questions I need an explanation.

Question 10 of 15 (1 point) |Attempt 3 of Unlimited |View question in a popup 4.9 Create The data (in millions of dollars) are the values of 32 sports franchises in a given year. Construct a frequency distribut data using seven classes. 937 1,178 872 1,064 1,076 941 1,116 1,612 861 1,035 929 1,040 1,016 888 876 1,010 994 839 1,125 1,044 1,170 865 885 1,324 1,061 1,015 1,053 1,538 914 917 1,023 1,062 Part: 0 / 3 Part 1 of 3 To construct seven classes, the range for each class (or the class width) should be X 5 Round answer to the next whole numberQuestion 14 of 15 (1 point) Attempt 1 of Unlimited |View question in a popup 4.3 Portfolio Appli A charity is running an auction. One thousand tickets are sold at $2 each for five prizes of $100, five of $50, five of $25, and five of $10. Part: 0 / 2 Part 1 of 2 (a) What is the expected value if you buy one ticket? Fill in the table to help organize the needed information, then answer the question. Outcome Gain (in dollars) Probability Lose Win $10 Win $25 Win $50 Win $100 The expected value if you buy one ticket is (Choose one) VQuestion 11 of 1.1 (1 point) l Attempt 1 of Unlimited 4.8 Portfolio Applic; A stats class was interested in determining the percentage of students on their campus who are opposed to a new policy eliminating all paper books from the campus bookstore in favor of ebooks. After surveying 180 students, the class finds that 32% are opposed to the policy. The margin of error is 7%. If surveying more students keeps the percentage at 32%, how many more would need to be surveyed in order to be 95% confident that the correct percentage for the entire student body is between 29% and 35%? Don't forget to consider the number of students that have already been surveyed. Round up to the nearest student, if necessary. (Hint: What wouid the margin of error be in this case?) In order to be 95% confident that the correct percentage for the entire student body is between 29% and 35%, the class needs to survey D more students