Question: Margin of error and the confidence interval. A study based on a sample of size 25 reported a mean of 76 with a margin of

Margin of error and the confidence interval. A study based on a sample of size 25 reported a mean of 76 with a margin of error of 12 for 95% confidence.

(a) Give the 95% confidence interval.

(b) If you wanted 99% confidence for the same study, would your margin of error be greater than, equal to, or less than 12?

Explain your answer.

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 Probability Statistics Questions!

Margin of error and the confidence interval. A study based on a sample of size 30 reported a mean of 82 with a margin of error of 7 for 95% confidence. (a) Give the 95% confidence interval. (b) If...

6.2 Margin of error and the confidence interval. A study of stress on the campus of your university using the College Undergraduate Stress Scale (CUSS) reported an average stress level of 1123 (a...

Confidence Intervals: Sample Size A random sample is drawn from a population with s 512. The sample mean is 30. (a) Compute a 95% confidence interval for m based on a sample of size 49. What is the...

1) Which of the following options will cause a decrease in the margin of error for a confidence interval? Increase the confidence Decrease the sample size Increase the sample size Decrease the sample...

6.2 Margin of error and the confidence interval. A study of stress on the campus of your university using the College Undergraduate Stress Scale (CUSS) reported an average stress level of 1123 (a...

We X P Do Ho Scone Scone (92,510 G good Inbox: Spot B G mornir SAP Fic + son.com/Student/PlayerTest.aspx?canvas_user_id=319520&canvas_enrollment_state=active&canvas_module_item_id=5395537&... * * 10...

Please Answer A attached and :What is the value of XWhat is the significance level for the confidence intervalwell either the formula level or technology can be used to determine the 95% confidence...

Choosing sample sizes. For a single proportion the margin of error of a confidence interval is largest for any given sample size n and confidence level C when p = 0.5. This led us to use p = 0.5 for...

Dest MAT232: Statistical Literacy (GSR2206B) April Young 03/12/22 12:54 HW Score: 58.81%, 47.05 of 80 Homework: Week 5 - Assignment Question 15, 8.2.13-T Part 1 of 2 points x Points: 0 of 4 Alp......

1) Sam computed a 90% confidence interval for from a specific random sample of size n. He claims that at the 90% confidence level, his confidence interval contains . Is this claim correct? Explain....

Q.No.1 Unix has a best way for process execution, safety and access, what is it and explains briefly with benefits. Q.No.2. We create log files, then delete them, what other files we create in UNIX?...

Given your answers to questions 2 and 3, a. What will be the function and goals of the Operations group (see Figure 11-1)? b. What will be the function and goals of the Development group? What job...

A stock provides the holder of the stock with _ _ _ _ _ _ _ _ _ _ _ _ _ while a bond provides the holder of the bond with _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . Ownership and a share of the profits in...

When solid iron burns in oxygen gas (at constant pressure) to produce Fe2O3(s), 1651 kJ of heat is released for every 4 mol of iron burned. How much heat is released when 10.3 g Fe2O3(s) is produced...