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

Author Question: Find the necessary sample size.Scores on a certain test are normally distributed with a variance of ... (Read 38 times)

cabate

  • Hero Member
  • *****
  • Posts: 537
on: Apr 7, 2020
Find the necessary sample size.

Scores on a certain test are normally distributed with a variance of 22. A researcher wishes to estimate the mean score achieved by all adults on the test. Find the sample size needed to assure with 95 percent confidence that the sample mean will not differ from the population mean by more than 2 units.
◦ 22
◦ 10
◦ 465
◦ 43
Introductory Statistics ¦ Weiss ¦ 10th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by cabate on Apr 7, 2020

jjorrostieta

  • Sr. Member
  • ****
  • Posts: 298
Reply #1 on: Apr 7, 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


cabate

  • Member
  • Posts: 537
Reply 2 on: Apr 7, 2020
Gracias!

fatboyy09

  • Member
  • Posts: 358
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Sample of a business card design. Sample of a business card design.
Finger-to-nose test Finger-to-nose test
From the following function, find the value of a, so that the AROC From the following function, find the value of a, so that the AROC
Use a graphical method to find the length of the loan to the nearest year Use a graphical method to find the length of the loan to the nearest year
A 230.0-mL sample of a 0.275 M solution is left on a hot plate overnight; the following morning ... A 230.0-mL sample of a 0.275 M solution is left on a hot plate overnight; the following morning ...
A test field of GM papaya A test field of GM papaya
Video: The 4 steps of translation Animation

For a complete list of videos, visit our video library