Question: Exemple number 17: Use the standard normal distribution or the t-distribution to construct a 99% confidence interval for the population mean. Justify your decision. If

Exemple number 17:

Use the standard normal distribution or the t-distribution to construct a 99% confidence interval for the population mean. Justify your decision. If neither distribution can be us In a random sample of 21 mortgage institutions, the mean interest rate was 3.63% and the standard deviation was 0.45%. Assume the interest rates are normally distributed Which distribution should be used to construct the confidence interval? O A. Use a t-distribution because it is a random sample, o is unknown, and the interest rates are normally distributed. O B. Use a normal distribution because n

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!

Please go ahead and rate Robyn just like i did. I want to know if i am right or far off from her rating. When completing the vignettes, there is a vignette assumption. That is, when reading assume...

Find the critical value, to for c = 0.99 and n = 10 Let p be the population proportion for the following condition. Find the point estimates for p and q. A study of 4713 adults from country A, 3144...

Math 245 (E57N) Statistics 1 - Summer 2021 Josephine Amankwah & | 07/15/21 1:27 A Homework: Module 5: Univariate Confidence Intervals - Homewo Sa core: 0.25 of 1 pt 22 of 31 (31 complete) HW Score:...

Use the standard normal distribution or the t-distribution to construct a 99% confidence interval for the population mean. Justify your decision. If neither distribution can be used, explain why....

Help#17 Use the standard normal distribution or the t-distribution to construct a 99% confidence interval for the population mean. Justify your decision. If neither distribution can be used, explain...

link | GUM Cmylab.pearson.com/Student/PlayerHomework.aspx?homeworkId=664724700&questionid=19&flushed=false&cid=7674889&back-DoAssignments.aspx?... EZWarrant.com Johnson, Emmanuel... Google Maps...

Use the standard normal distribution or the t-distribution to construct a 99% confidence interval for the population mean. Justify your decision. If neither distribution can be used, explain why....

6.2 7 Use the standard normal distribution or the t-distribution to construct a 99% confidence interval for the population mean. Justify your decision. If neither distribution can be used, explain...

Use the standard normal distribution or the t-distribution to construct a 99% confidence interval for the population mean. Justify your decision. If neither distribution can be used, explain why....

PM Chapter Test Confidence The gas mileages (in miles per gallon) of 27 randomly selected sports cars are listed in the accompanying table. Assume the mileages are not normally distributed. Use the...

Use the standard normal distribution or the t-distribution to construct a 90% confidence interval for the population mean. Justify your decision. If neither distribution can be used, explain why....

Marketing benefits organizations, customers, and society . Explain how a global organization like McDonalds benefits the community in which it operates as well as society at large?

The switch in the circuit has been open a long time before closing at t = 0. (Figure 1) Figure 1 20 mH 80 mH of 1 10 (2) 50 V 1=0 40 (2) 15 A Find vo(t) for t > 0+. Express your answer in terms of t,...

Ms . Kumar plans to retire when she turns 6 5 in a few months. She is in excellent health and will have considerable income when she retires. She is concerned that her income will make it impossible...

Assume that on September 1, Office Depot had an inventory that included a variety of calculators. The company uses a perpetual inventory system. During September, these transactions occurred. Sept. 6...

(Application of the Corridor Approach) Kensett Corp. has the following beginning-of-the-year present values for its projected benefit obligation and market-related values for its pension plan assets....

(Computation of Pension Expense) Bickner Company provides the following information about its defined-benefit pension plan for the year 2010. Compute the pension expense for the year 2010. Service...

Because of the large number of devices in today's PC chips, finned heat sinks are often used to maintain the chip at an acceptable operating temperature. Two fin designs are to be evaluated, both of...

Consider the 7A-13 following cash flow. Year Cash Flow 0.........................-$100 1............................240 2...........................-143 If the minimum attractive rate of return is...

how to write an email to thank for the opportunity and raise to the supervisor?

3. List four points that you think are important to give the individual attention, when he or she is going to sell an argument or an idea to you.

4. Think of a situation where you would convince someone of an argument or an idea you had. a. What feelings did you want the other person to be left with when you finished? b. When you think about...

7. Think of a situation where you felt that you mastered the situation, i.e. where you had a positive feeling of completing the task you were to perform. A. Now develop a picture in your imaginary...