Question

Next Questio 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 and finds that 43 of them have Twitter accounts. Can she conclude that less than 73% of technology companies have Twitter accounts? Use the α-0.01 level of significance and the eritical value method. Check Ans Solve l Guided Sol Part 1 State the appropriate null and alternate hypotheses. Ho: P 0.73 Ask My Insta Link to Text Tables Formula This hypothesis test is a left-tailed test. Part 2 Find the critical value. Round the answer to three decimal places. Submit Assig The critical value is 2 Correct answer -2.326 Part 3 out of 5 Compute the test statistic. Round the answer to two decimal places.

Answer 1