One of the more popular statistics reported in the media is

Last updated: 6/29/2023

One of the more popular statistics reported in the media is the president s job approval rating The approval rating is reported as the proportion of the population approve of the job that the sitting president is doing and is typically based on a random sample of registered voters where the sample size is the same week to week Complete parts a and b below b A poll showed the approval rating to be 0 49 49 A second poll based on 1500 randomly selected voters showed that 777 approved of the job the president was doing Do the results of the second poll indicate that the proportion of voters who approve of the job the president is doing is significantly higher than the original level Explain Assume the 0 05 level of significance Identify the null and alternative hypotheses for this test A Ho p 0 49 H p 0 49 D Ho p 0 49 H p 0 49 Find the test statistic for this hypothesis test Z Round to two decimal places as needed OB Ho p 0 49 H p 0 49 E Ho p 0 49 H p 0 49 OC Ho p 0 49 H p 0 49 F Ho p 0 49 H p 0 49 Clear all Check answer