This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Find an estimate of the sample size needed to obtain the specified margin of error for the 95% ... (Read 35 times)

khang

  • Hero Member
  • *****
  • Posts: 569
on: Jan 18, 2020

Question 1

Find an estimate of the sample size needed to obtain the specified margin of error for the 95% confidence interval of a population mean.

A researcher wishes to estimate the mean height of women aged between 60 and 65 in the U.S. She desires a margin of error of  0.1 inches. Past studies suggest that a population standard deviation of
is reasonable. Estimate the minimum sample size needed to estimate the population mean with the stated accuracy.
◦ 2178
◦ 66
◦ 4356
◦ 436

Question 2

Find an estimate of the sample size needed to obtain the specified margin of error for the 95% confidence interval of a population mean.

A college teacher wishes to estimate the mean number of hours worked per week at non-college related jobs by full-time students at the college.  He desires a margin of error of 1.3 hours. Past studies suggest that a population standard deviation of 13.6 hours is reasonable. Estimate the minimum sample size needed to estimate the population mean with the stated accuracy.
◦ 219
◦ 438
◦ 569
◦ 21
Statistical Reasoning for Everyday Life ¦ Bennett, Briggs, Triola ¦ 5th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by khang on Jan 18, 2020

trog

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jan 18, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 49% of students answer this correctly


khang

  • Member
  • Posts: 569
Reply 2 on: Jan 18, 2020
YES! Correct, THANKS for helping me on my review

bitingbit

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Interaction web of factors that might influence locust population size. Interaction web of factors that might influence locust population size.
Stellar Size and Spectra Stellar Size and Spectra
Sample Menu: Carb Choices Sample Menu: Carb Choices
How to use L’Hospital’s Rule to find the limit of a function (Part 3) How to use L’Hospital’s Rule to find the limit of a function (Part 3)
Find the x- intercepts Find the x- intercepts
Video: Bone cells and tissues - tissue composition and cells

For a complete list of videos, visit our video library