Question: A statistician estimates the 90% confidence interval for the mean of a normally distributed population as 172.58 3.74 at the end of a sampling

A statistician estimates the 90% confidence interval for the mean of a normally distributed population as 172.58 ± 3.74 at the end of a sampling experiment, assuming a known population standard deviation. What is the 95% confidence interval?

Step by Step Solution

★★★★★

3.37 Rating (175 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

Since Z0n 374 the... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

463-M-S-N-S (656).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

The formula for a 95% confidence interval for a mean is so well-rooted in statistical theory and practice that you might not even consider other possibilities. However, many researchers and even...

The middle 60% of a normally distributed population lies between what two standard scores?

Find a 95% confidence interval for the mean of population A. Refer to the data with analysis shown in the following computer output: Level N Mean StDev 10.200 2.864 2.168 5 16.800 5 10.800 2.387...

Question 04: A statistician estimates the 90% confidence interval for the mean of a normally distributed population as 172.58 3.74 at the end of a sampling experiment, assuming a known population...

ID Salary 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 65.1 27 36.1 61.4 46.6 73.3 39.7 23.2 74.6 22.8 23.4 62 40.7 23 24 51.1...

1. Finish times (to the nearest hour) for 60 dogsled teams are shown below. Use five classes. Categorize the basic distribution shape as uniform, mound-shaped symmetric, bimodal, skewed left, or...

please do fast:- According to the U.S. Bureau of Labor Statistics, 7.0%% of female hourly workers who are 16 to 24 years old are being paid minimum wage or less. (Note that some workers in some...

1 A random sample of 20 items is selected from a population. To determine the appropriate t-value what number of degrees of freedom should be used? 20 19 21 25 . 5 points Question 2 A federal bank...

Assistance requested to help me get unstuck please. 69 Question 20, 7.1 .21-T magnum." a In a science fair project, Emily conducted an experiment In which she tested professional touch therapists to...

SAMPLING MEAN: DEFINITION: The term sampling mean is a statistical term used to describe the properties of statistical distributions. In statistical terms, the sample mean from a group of...

For the bevel gearset in Probs. 374 and 376, pp. 138 and 139 respectively, shaft AB is rotating at 600 rev/min and transmits 10 hp. The gears have a 20 pressure angle. (a) Determine the bevel angle ...

Using the internet, find an example of a fraud scheme that has been reported in the news and answer the following questions: List the reference(s) that you used. Name of the company/organization...

11. LO 5 Alter the Solow growth model so that the production technology is given by Y = zK, where Y is output, K is capital, and z is total factor productivity. Thus, output is produced only with...

Consolidation journal entries including disposal of land restated to fair value on consolidation (Section 3.4.4) To increase its m arket share, Noah Ltd acquired all th e ordinary issued capital o f...

When finding percentiles using Figure 3-5, if the locator L is not a whole number, we round it up to the next larger whole number. An alternative to this procedure is to interpolate. For example,...

When designing an eye-recognition security device, engineers must consider the eye heights of standing women. (Its easy for men to bend lower, but its more difficult for women to rise higher.) Listed...

Using the sample data given below find the z score corresponding to the eye height of 1642 mm. Is that eye height unusual? Why or why not? 1550 1642 1538 1497 1571

Assume that you have been given the following financial statement data (in $ millions) for KRJ Corporation. Note that all data are represented in absolute value terms and that not all of the...

The American Opportunity Credit is characterized by all of the following EXCEPT: It can be claimed only for the first four years of a post - secondary education The maximum annual credit amount is $...

{a} Find tom when it = 9. {b} Find tU_025 when 1:216. (cl Find 1030 when 1: =13. Click here to View:r age 1 of the table of critical values of the tdistributien. Click here to View:r age 2 of the...