Question

Tweet tweet: An article reported that 73% of companies have Twitter accounts. An economist thinks the percentage is different at technology companies. She samples 70 technology companies and finds that 58 of them have Twitter accounts. Can she conclude that the percentage of technology companies that have Twitter accounts differs from 73% ? Use the =α0.05 level of significance and the critical value method. State the appropriate null and alternate hypotheses.

Name: tweet tweet an article reported that 73 of companies have twitter accounts an economist thinks the percentage is different at technology companies she samples 70 technology companies and fin 14135
Uploaded: 2023-08-03T13:54:26-08:00
Duration: 4 min
Channel: Madhur L
Description: tweet tweet an article reported that 73 of companies have twitter accounts an economist thinks the percentage is different at technology companies she samples 70 technology companies and fin 14135

          Tweet tweet: An article reported that 
73%
 of companies have Twitter accounts. An economist thinks the percentage is different at technology companies. She samples 
70
 technology companies and finds that 
58
 of them have Twitter accounts. Can she conclude that the percentage of technology companies that have Twitter accounts differs from 
73%
? Use the 
=α0.05
 level of significance and the critical value method.
State the appropriate null and alternate hypotheses.

Added by Patrick G.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Madhur L

08/03/2023

Step 1

** - Null Hypothesis (H0): The proportion of technology companies with Twitter accounts is equal to 73%. (p = 0.73) - Alternative Hypothesis (H1): The proportion of technology companies with Twitter accounts is different from 73%. (p ≠ 0.73) Show more…

Show all steps

Thanks for your feedback!

Tweet tweet: An article reported that 73% of companies have Twitter accounts. An economist thinks the percentage is different at technology companies. She samples 70 technology companies and finds that 58 of them have Twitter accounts. Can she conclude that the percentage of technology companies that have Twitter accounts differs from 73% ? Use the =α0.05 level of significance and the critical value method. State the appropriate null and alternate hypotheses.