MAT 122 Final: MAT122-2010Fall
Document Summary
Probability and statistics for the liberal arts ii. Final exam: write your full name, write clearly, and give su cient details to justify your answers, the use of mobile phones or pagers is not allowed. Listed below are times (seconds) that animated disney movies showed the use of tobacco and alcohol. Use the sign test and a 0. 05 signi cance level to test the claim that for a typical animated movie, the time spent depicting the use of alcohol is less than the time spent depicting the use of tobacco. 73 (a) give the null hypothesis h0 and alternative hypothesis h1. (b) find the appropriate test statistic. (c) state the right conclusion about the claim. (d) find the linear correlation coe cient for the above paired data: (6 points) Listed below are measured amounts (in tons per year) of greenhouse gas emissions from cars in three categories.
