Question: Please answer using excel and show workings In a recent year, a poll asked 2436 random adult citizens of a large country how they rated

Please answer using excel and show workings

Please answer using excel and show workings In a recent year, a

In a recent year, a poll asked 2436 random adult citizens of a large country how they rated economic conditions. In the poll, 23% rated the economy as Excellent/Good. A recent media outlet claimed that the percentage of citizens who felt the economy was in Excellent/Good shape was 19%. Does the poll support this claim? a) Find a 90% confidence interval for the proportion of adults who rated the economy as Excellent/Good. Check conditions. b) Does your confidence interval provide evidence to support the claim? c) What is the significance level of the test in (b)? Explain. d) Conduct a hypothesis test with the same significance level, and compare with part (b)

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!