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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 a=0.05 level of significance with the P-value method and Excel. Part 1 of 5 (a) State the null and alternate hypotheses. Ho: p= .73 H₁: p<.73 This hypothesis test is a left-tailed Alternate Answer: Ho:p=0.73 H₁: p<0.73 This hypothesis test is a left-tailed test. Part: 1 / 5 Part 2 of 5 (b) Compute the test statistic. Do not round intermediate steps. Round the answer to two decimal places. X test. Ś

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 a=0.05 level of significance with the P-value method and Excel. Part 1 of 5 (a) State the null and alternate hypotheses. Ho: p= .73 H₁: p<.73 This hypothesis test is a left-tailed Alternate Answer: Ho:p=0.73 H₁: p<0.73 This hypothesis test is a left-tailed test. Part: 1 / 5 Part 2 of 5 (b) Compute the test statistic. Do not round intermediate steps. Round the answer to two decimal places. X test. Ś

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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An article reported that 73% of companies have Twitter accounts. An economist thinks the percentage is lower at technology companies. She samples 7 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 a =0.05 level of significance with the p-value method and Excel. find z value find p value find t value find critical value reject or not reject state conclusion
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 a=0.05 level of significance with the P-value method and Excel. Part 1 of 5 (a) State the null and alternate hypotheses. Ho: p= .73 H₁: p<.73 This hypothesis test is a left-tailed Alternate Answer: Ho: p=0.73 H₁:p<0.73 This hypothesis test is a left-tailed test. Part: 1 / 5 Part 2 of 5 test. (b) Compute the test statistic. Do not round intermediate steps. Round the answer to two decimal places. X
Transcribed Image Text: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 a=0.05 level of significance with the P-value method and Excel. Part 1 of 5 (a) State the null and alternate hypotheses. Ho: p= .73 H₁: p<.73 This hypothesis test is a left-tailed Alternate Answer: Ho: p=0.73 H₁:p<0.73 This hypothesis test is a left-tailed test. Part: 1 / 5 Part 2 of 5 test. (b) Compute the test statistic. Do not round intermediate steps. Round the answer to two decimal places. X
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