Question: Determine the minimum sample size required when you want to be 90% confident that the sample mean is within one unit of the population

Determine the minimum sample size required when you want to be 90%

Determine the minimum sample size required when you want to be 90% confident that the sample mean is within one unit of the population mean and o = 19.8. Assume the population is normally distributed. A 90% confidence level requires a sample size of. (Round up to the nearest whole number as needed.)

Step by Step Solution

★★★★★

3.48 Rating (164 Votes )

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!

Determine the minimum sample size required when you want to be 95% confident that the sample mean is within one unit of the population mean and = 4.8. Assume the population is normally distributed.

Determine the minimum sample size required when you want to be 99% confident that the sample mean is within two units of the population mean and = 1.4. Assume the population is normally distributed.

Determine the minimum sample size required to be 95% confident that the sample mean waking time is within 10 minutes of the population mean waking time. Use the population standard deviation from...

Find the critical value z c necessary to form a confidence interval at the level of confidence shown below. c=0.92 Find the margin of error for the given values of c, , and n. c = 0.95, =2.4, n =...

Refer to Data Set 1 in Appendix B and find the maximum and minimum pulse rates for males, then use those values with the range rule of thumb to estimates. How many adult males must you randomly...

Refer to Data Set 16 in Appendix B and find the maximum and minimum earthquake magnitudes, then use those values with the range rule of thumb to estimates. How many earthquakes must you randomly...

1. A doctor wants to estimate the mean HDL cholesterol of all 20-to 29 year old females. How many subjects are needed to estimate the mean HDL cholesterol within 3 points with 99% confidence assuming...

Sample Size Using Sample Data Refer to Data Set 1 in Appendix: Data Sets and find the maximum and minimum pulse rates for males, then use those values with the range rule of thumb to estimate s. How...

Sample Size Using Sample Data Refer to Data Set 16 in Appendix: Data Sets and find the maximum and minimum earthquake magnitudes, then use those values with the range rule of thumb to estimate s. How...

Sample Size Using Sample Data You want to estimate the mean pulse rate of adult males. Refer to Data Set 1 in Appendix B and find the maximum and minimum pulse rates for males, then use those values...

Weygandt, Financial &Managerial Accounting,2e PRINTER VERSION BACK Problem 20-6A (Part Level Submission) Bonita Beauty Corporation manufactures cosmetic products that are sold through a network of...

Your team wants to compare two mean values after gathering eye tracking data of users who engaged with the Insurance Dashboard in Figure 1. You, as IT manager, suggest that they consider two...

What operating system and currently supported version have you used and what about itdid you not like?Explain why.

( 1 5 p ) A pizza restaurant is planning for a 7 - hour night delivery service. At night it gets requests for pizza deliveries every 3 0 minutes, and it estimates that on average a delivery can take...

Compose an essay describing the pros/cons of three well designed Linux live CDs for digital forensics. Provide at least one peer-reviewed journal article.

Attached you will find a case study. Using the knowledge, you gained by working through the Competency 1 material you will read the case study and write an essay whose body is from three to five...

(2) [20 pt] Write a Matlab function called Prk.m that calculates the pressure of a gas using the RedlichKwong equation of state. It should take as arguments T,Tc,Pc and (vector) V. It should return...

$10,000 was borrowed at 3.5% on July 17. The borrower repaid $5000 on August 12, and $2000 on September 18. What final payment is required on November 12 to fully repay the loan?

A survey of U.S. adults found that 86% of those who use the Internet keep track of their online passwords in their heads. You randomly select 30 U.S. adults who use the Internet. Find the probability...

Use the Standard Normal Table or technology to find the z-score that corresponds to the cumulative area or percentile. 0.94

A survey of U.S. adults found that 39% of those who have online accounts use the same or very similar passwords for many of their accounts. You randomly select 500 U.S. adults who have online...

A 1996 study examined the growth of grapefruit trees in Texas, determining the average trunk Diameter (in inches) for trees of varying Ages: a) Fit a linear model to these data. What concerns do you...

Ballplayers have been signing ever larger contracts. The highest salaries (in millions of dollars per season) for each year since 1874 is in the file on the CD. (Data in Baseball salaries 2013). Here...

Researchers studying how a car's Fuel Efficiency varies with its Speed drove a compact car 200 miles at various speeds on a test track. Their data are shown in the table. Create a linear model for...