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

Author Question: It is known that the population variance (2) is 144 . At 95 confidence, what sample size should be ... (Read 114 times)

bobypop

  • Hero Member
  • *****
  • Posts: 539
on: Jun 24, 2018
It is known that the population variance (2) is 144 . At 95 confidence, what sample size should be taken so that the margin of error does not exceed 5?
 a. 22
   b. 23
   c. 24
   d. 25

Question 2

Setting the upper and lower control limits in a control chart farther from the center line results in a
 a. lower probability of a Type I error.
 b. lower probability of a Type II error.
 c. lower probability of both a Type I and Type II error.
  d. higher probability of both a Type I and Type II error.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cloud

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jun 24, 2018
Answer to Question 1

b

Answer to Question 2

b


bobypop

  • Member
  • Posts: 539
Reply 2 on: Jun 24, 2018
Excellent

raenoj

  • Member
  • Posts: 340
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Population Losses in the South, 1920–1930 Population Losses in the South, 1920–1930
Sample Exercise Program for Limited Older Adults (cont.) Sample Exercise Program for Limited Older Adults (cont.)
Roller lifter from a GM Duramax 6.6 liter V-8 diesel engine. Notice the size of this lifter compared ... Roller lifter from a GM Duramax 6.6 liter V-8 diesel engine. Notice the size of this lifter compared ...
Europe’s Size and Location Europe’s Size and Location
Sample of a business card design. Sample of a business card design.
Population growth Population growth
Video: Introduction to Diabetes

For a complete list of videos, visit our video library