1) A real estate agent is interested in how the selling price of a house is inuenced by the amount of land the house is located on. She takes a random sample of 20 houses that have been sold within the last year and obtains the data needed for each house. If she wants to graph this data to investigate the inuence, she should use a (circle the best answer) 2) In a survey of 510 T.V. viewers, 40% said they watch network news programs. Find the margin of error for this survey if we want 95% condence in our estimate of the percentage of T.V. viewers who watch network news programs. 3) A reporter claims that 60% of all adults feel there is too much violence on TV. To test if the actual percentage is lower than the reporter's claim, a random sample of 200 adults is taken. State the hypotheses for the test. 4) A random sample of 600 high school boys showed that 40 had taken diet pills during the past 30 days to lose weight .The researcher wants to test the hypotheses below for p = the proportion of all high school boys who take diet pills to lose weight. H0: p =0.10 Ha:p#0.10 Find the p-value. 5) A reporter claims that 60% of all adults feel there is too much violence on TV. To test if the actual percentage is lower than the reporter's claim, a random sample of 200 adults is taken. Suppose the conditions are met and the test statistic is -2.01. Find the p-value