. USA Today reported that about 47% of the general consumer population in the United States...

. USA Today reported that about 47% of the general consumer population in the United States is loyal to the automobile manufacturer of their choice. Suppose that Chevrolet did a study of a random sample of 1006 Chevrolet owners and found that 490 stated that they would buy another Chevrolet. Test the claim by Chevrolet that the population proportion of consumers loyal to its product is different from 47%. Use = 0.05. (a) State the hypotheses for this test. (b) State the p-value for this test. (c) State your conclusion for the test in the context of the problem statement. (d) Give a 95% confidence interval for the proportion of customers loyal to Chevrolet. (e) Is your confidence interval consistent with your conclusion from the hypothesis test? Explain why or why not.

Solutions

Expert Solution

orchestra answered 1 year ago

Next > < Previous

Related Solutions

USA Today reported that about 47% of the general consumer population in the United States is...

USA Today reported that about 47% of the general consumer population in the United States is loyal to the automobile manufacturer of their choice. Suppose Chevrolet did a study of a random sample of 1009 Chevrolet owners and found that 482 said they would buy another Chevrolet. Does this indicate that the population proportion of consumers loyal to Chevrolet is more than 47%? Use α = 0.01. (a) What is the level of significance? State the null and alternate hypotheses....

USA Today reported that about 47% of the general consumer population in the United States is...

USA Today reported that about 47% of the general consumer population in the United States is loyal to the automobile manufacturer of their choice. Suppose Chevrolet did a study of a random sample of 1006 Chevrolet owners and found that 490 said they would buy another Chevrolet. Does this indicate that the population proportion of consumers loyal to Chevrolet is more than 47%? Use 1% level of significance. a. Identify the underlying distribution and state why. b. State the null...

USA Today reported that about 47% of the general consumer population in the United States is...

USA Today reported that about 47% of the general consumer population in the United States is loyal to the automobile manufacturer of their choice. Suppose Chevrolet did a study of a random sample of 1009 Chevrolet owners and found that 483 said they would buy another Chevrolet. Does this indicate that the population proportion of consumers loyal to Chevrolet is more than 47%? Use α = 0.01.(a) What is the level of significance? State the null and alternate hypotheses. H0:...

USA Today reported that about 47% of the general consumer population in the United States is...

USA Today reported that about 47% of the general consumer population in the United States is loyal to the automobile manufacturer of their choice. Suppose that Chevrolet did a study of a random sample of 1006 Chevrolet owners and found that 503 said that they would buy another Chevrolet. Check the assumptions for constructing a confidence interval Construct a 90% confidence interval Construct a 95% confidence interval Construct a 99% confidence interval What happened to the margin of error as...

USA Today reported that about 47% of the general consumer population in the United States is...

USA Today reported that about 47% of the general consumer population in the United States is loyal to the automobile manufacturer of their choice. Suppose Chevrolet did a study of a random sample of 1006 Chevrolet owners and found that 486 said they would buy another Chevrolet. Does this indicate that the population proportion of consumers loyal to Chevrolet is more than 47%? Use α = 0.01. (a) What is the level of significance? State the null and alternate hypotheses....

1. USA Today reported that about 47% of the general consumer population in the United States...

1. USA Today reported that about 47% of the general consumer population in the United States is loyal to the automobile manufacturer of their choice. Suppose Chevrolet did a study of a random sample of 996 Chevrolet owners and found that 503 said they would buy another Chevrolet. Does this indicate that the population proportion of consumers loyal to the car company is more than 47%? Use α = 0.01. Solve the problem using both the traditional method and the...

Is the religious make-up of the United States Congress reflective of that in the general population?...

Is the religious make-up of the United States Congress reflective of that in the general population? The following table shows the religious affiliation of the 535 members of the 114th Congress (2015-2017) along with the religious affiliation of a random sample of 1200 adult Americans. Perform a complete hypothesis test to answer the question. Explain everything! protestant 306 616 Catholic 164 287 Mormon 16 20 Orthodox Christian 5 7 Jewish 28 20 Buddhist/Muslim/Hindu/Other 6 57 Unaffiliated/dont know/Refused 10 193

How are states right issues seen in the the United States today?

It is reported in USA Today that the average flight cost nationwide is $442.28. You have...

It is reported in USA Today that the average flight cost nationwide is $442.28. You have never paid close to that amount and you want to perform a hypothesis test that the true average is actually greater than $442.28. What are the appropriate hypotheses for this test? Question 1 options: 1) HO: μ ≤ 442.28 HA: μ > 442.28 2) HO: μ < 442.28 HA: μ ≥ 442.28 3) HO: μ > 442.28 HA: μ ≤ 442.28 4) HO: μ...

describe United States economy today & back then? 8-10 paragraph describe the united state economy today...

describe United States economy today & back then? 8-10 paragraph describe the united state economy today ?

Subjects