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 58 times)

serike

  • Hero Member
  • *****
  • Posts: 542
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.

Margin of error = 28, sample standard deviation = 300
◦ 12,857
◦ 230
◦ 459
◦ 21

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  researcher wishes to estimate the mean amount of money spent per month on food by households in a certain neighborhood. She desires a margin of error of . 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.
◦ 1457
◦ 38
◦ 17,480
◦ 728
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 serike on Jan 18, 2020

stano32

  • Sr. Member
  • ****
  • Posts: 339
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


serike

  • Member
  • Posts: 542
Reply 2 on: Jan 18, 2020
Great answer, keep it coming :)

olderstudent

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Sandia ear-plug-sized samplers hang poised to sample gases relevant to climate and weather. Sandia ear-plug-sized samplers hang poised to sample gases relevant to climate and weather.
Bolts and screws have many different heads. The head determines what tool is needed. Bolts and screws have many different heads. The head determines what tool is needed.
How to use L’Hospital’s Rule to find the limit of a function (Part 1) How to use L’Hospital’s Rule to find the limit of a function (Part 1)
How to find the area of composite figures (Part 1) How to find the area of composite figures (Part 1)
Population size Population size
Changes in the size of the thoracic cavity during the respiratory cycle Changes in the size of the thoracic cavity during the respiratory cycle
Video: Summary of glucose catabolism

For a complete list of videos, visit our video library