9.4 Hypothesis Test of the Proportion WKST 1. A surveyr done in 2005 showed that 1864 out of 2246 randomly selected adults in the United States said that texting while driving should be illegal. State officials claim that at least 80% of adults believe that texting while driving should be illegals Use 0.05 level of significance to determine if the officials claim is supported by the evidence. Should the official's statistic be considered reasonable? Explain using statistics. 2. When a simple random sample of 3011 adults from rural America were surveyed, 73% said that they use the internet. Is it ok for a newspaper reported to write that "3M of all rural American adults use the internet"? Use a 93% confidence level to test the reporter's claim. Should the reporter's statistic be considered reasonable? Explain using statistics