In a certain school, students can choose whether to eat in the school’s cafeteria. a reporter working for the school’s newspaper polled students on their reactions to changes in the menu at the cafeteria. for each student leaving the cafeteria in one 30-minute time period, the reporter used a coin to determine whether to stop the student and ask how he or she felt about the new menu. in the reporter’s article it was stated that a random sample of the students showed that 89 percent of the school’s student population was happy with the new menu. which of the following statements is true?

Acompany is developing a new high­performance wax for cross country ski racing. in order to justify the price marketingwants, the wax needs to be very fast. specifically, the mean time to finish their standard test course should be less thanseconds for a former olympic champion. to test it, the champion will ski the course 8 times. the champion's times(selected at random) are 59.9 61.9 48.8 52.2 46.6 45.3 50.6 and 41.1 seconds to complete the test course. complete parts a and b below. a) should they market the wax? assume the assumptions and conditions for appropriate hypothesis testing are metfor the sample. assume=0.05. what are the null and alternative hypotheses? choose the correct answer below. b) suppose they decide not to market the wax after the test, but it turns out that the wax really does lower the champion'saverage time to less thanseconds. what kind of error have they made? explain the impact to the company of such anerror.

Eliza works for a consumer agency educating young people about advertisements. instead of teaching students to carefully read advertisement claims, she encourages them to develop a strong sense of self and to keep their life goals and dreams separate from commercial products. why might eliza's advice make sense?

Which of the following characteristics are emphasized in the accounting for state and local government entities? i. revenues should be matched with expenditures to measure success or failure of the government entity. ii. there is an emphasis on expendability of resources to accomplish objectives. a. i only b. ii only c. i and ii d. neither i nor ii