Question: A sample of 225 elements from a population with a standard deviation of 75 is selected. The sample mean is 180. The 98% confidence interval

A sample of 225 elements from a population with a standard deviation of 75 is selected. The sample mean is 180. The 98% confidence interval foris

a.

175 to 185.
b.

165.6 to 194.4.
c.

164.575 to 195.425.
d.

105 to 225.

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!

Q:

1. A sample of 225 elements from a population with a standard deviation of 75 is selected. The sample mean is 180. Find the 95% confidence interval for u. 2. It is known that the variance of a...

Q:

8. As the sample size increases, the margin of error increases a. b. decreases c. stays the same d. increases or decreases depending on the size of the mean 9. A sample of 225 elements from a...

Q:

A sample of 225 elements from a population with a standard deviation of 75 is selected. The sample mean is 180. The 98% confidence interval for is a. 175 to 185. b. 165.6 to 194.4. c. 164.575 to...

Q:

A sample of 225 elements from a population with a standard deviation of 75 is selected. The sample mean is 180. The 98% confidence interval for is a. 175 to 185. b. 165.6 to 194.4. c. 164.575 to...

Q:

A sample of 225 elements from a population with a standard deviation of 75 is selected. The sample mean is 180. What is the upper limit for a 95% confidence interval for the population mean? round...

Q:

Question 14 Calculate the values of Z, where Z ~ N(mean=0, variance=1), for which 2% of the data lies in the lower tail and 2% lies in the upper tail. Not yet answered Marked out of (answer in...

Q:

Question 1: A researcher is interested in estimating the mean value for a population. She takes a random sample of 17 items and computes a sample mean of 224 and a sample standard deviation of 32....

Q:

It is 4 multiple choice questions. I need the answers within the hour though if possible. Please do not pick up the questions if the time is not possible for you. Thank you so much! In order to have...

Q:

please explain steps 8. A company has developed a new Type of ligthulb, and wanTs To esTimaTe iTs mean lifeTime, a simple random sample of 36 bulbs had a sample mean lifeTime of 720 hours wiTh The...

Q:

3. Suppose a random sample of 36 is selected from a population with a standard deviation of 12. If the sample mean is 98, the 90% confidence interval for the population mean is A. 94.71 to 101.29 B....

Q:

Write balanced chemical equations for each of the following: (a) Anaerobic glycolysis of 1 mole of sucrose, cleaved initially by sucrose phosphorylase; (b) Aerobic glycolysis of 1 mole of maltose;...

Q:

John (born on April 27, 1974) has health coverage for his son, Tony (born on May 25, 2000), provided by his employer with an 80 percent coinsurance provision and a $100 deductible. John's wife,...

Q:

Saved Dog Up ! Franks is looking at a new sausage system with an installed cost of $ 4 7 0 , 0 0 0 . This cost will be depreciated straight - line to zero over the project's five - year life, at the...

Q:

REVIEW THE INFORMATION ABOUT LEAPFROG HOSPITAL SAFETY GRADES. CHOOSE TWO HOSPITALS TO COMPARE A VERY EFFECTIVE ONE AND ONE WHICH IS NOT EFFECTIVE. WHAT SEPARATES THE TWO? HOW CAN THE A HOSPITAL USE...

Q:

4. Achieve our positive goals (1 and 3 are motivated by avoiding the negative, while 2 and 4 are motivated by the positive). b. Initiative: When I communicate with others, I think it is very...

Q:

18. In the statements below, put a cross for the statement you feel characterizes yourself best when you communicate with others. Its not necessarily the way you know you should communicate, but the...

Q:

10. What activities in your life best express the value you want others to associate with you?