(b) Compute the test statistic. Do not round intermediate steps. Round the answer to two decimal places. Tweet tweet: An article reported that 73% of companies have Twitter accounts. An economist thinks the percentage is lower at technology companies. She samples 70 technology companies and finds that 46 of them have Twitter accounts. Can she conclude that less than 73% of technology companies have Twitter accounts? Use the (x : 0.05 level of significance with the Pvalue method and Excel. Compute the value of the test statistic. Round the answer to at least two decimal places. Internet tax: The Gallup Poll asked 1019 US. adults whether they believed that people should pay sales tax on items purchased over the internet. 01' these, 428 said they supported such a tax. Does the survey provide convincing evidence that more than 39% of US. adults favor an internet sales tax? Use the 01 = 0.05 level of significance and the P-value method with the TI-84 Plus calculator