Question: We wish to develop a confidence interval for the population mean. The population follows the normal distribution, we know the population standard deviation, and have

We wish to develop a confidence interval for the population mean. The population follows the normal distribution, we know the population standard deviation, and have a sample of 10 observations. We decide to use the 90 percent level of confidence. The appropriate value to represent the level of confidence is

A. t = 1.833

B. t = 1.812

C. z = 1.645

D. z = 1.96

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!

Question 1. a) If you were constructing a 99% confidence interval of the population mean based on a sample of n where the standard deviation of the sample s = 0.05, what is the value of the critical...

Question 1 . a) If you were constructing a 95% confidence interval of the population mean based on a sample of n =60 where the standard deviation of the sample s = 0.06, what is the critical value of...

A cat breeder suspects her kittens weigh more than the larger population of kittens A random sample of 31 of her kittens were weighed The sample weighed an average of 1 15 pounds The population...

Part 1 : Show the necessary steps You are doing marketing research about yogurt consumption.Based on your previous research, you feel sure that the population standard deviation of the number of...

9. Use your data to find a range of likely values for average sales for all representative in the entire company using StatCrunch. Ven_fy' with your own calculations and show your work. FINDING A...

1. A soccer ball manufacturer wants to estimate the mean circumference of soccer balls within 0.19 inch. (a) Determine the minimum sample size required to construct a 99% confidence interval for the...

Please answer these questions use keyboard. This question let me so confused, please don't write on the paper. Thanks so much. 1.Insert two columns to the right of the data column. (a)In the first...

Help #10 (w/out Technology) Submit test point(s) possible A soccer ball manufacturer wants to estimate the mean circumference of soccer balls within 0.16 inch. (a) Determine the minimum sample size...

A paint manufacturer uses a machine to fill gallon cans with paint (1 gal=128 ounces). The manufacturer wants to estimate the mean volume of paint the machine is putting in the cans within 0.5 ounce....

The pendulum bobs in the figure are made of soft clay so that they stick together after impact. The mass of bob A is half that of bob B. Bob B is initially at rest. What is the ratio of the kinetic...

What are four chargeback methods? In your view, is one more fair than another?

Identify a common method of ensuring some stability in the secondary market for a new issue. Placing a holding period on trading Restricting share sales Escrowing shares Listing the shares in the OTC...

Knowledge of Mr. Homers retirement expertise has spread. Now his friend, Bart, has asked for help with his retirement planning. Bart, who turned 21 years old today, is just starting his first full...

2. Now draw another circle. Divide this circle into sections representing the relative amount of time and energy you actually devote to each. Compare the size of the sections in each circle. How does...

4. What actions have you taken in the past that have helped you to cope successfully with stressful circumstances? Could any of these approaches be useful to Diane?

4. What are the barriers to effective stress management in your life and how can you overcome them? What specific action steps can you take in this regard?