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

Author Question: Suppose a 95 confidence interval for has been constructed. If it is decided to take a larger sample ... (Read 35 times)

aabwk4

  • Hero Member
  • *****
  • Posts: 593
on: Jun 24, 2018
Suppose a 95 confidence interval for  has been constructed. If it is decided to take a larger sample and to decrease the confidence level of the interval, then the resulting interval width would ________. (Assume that the sample statistics gathered would not change very much for the new sample.)
 
  A) be the same as the current interval width
  B) be unknown until actual sample sizes and reliability levels were determined
  C) be larger than the current interval width
  D) be narrower than the current interval width

Question 2

You were told that the mean score on a statistics exam is 75 with the scores normally distributed. In addition, you know the probability of a score between 55 and 60 is 4.41 and that the probability of a score greater than 90 is 6.68. What is the probability of a score greater than 95?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

LegendaryAnswers

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

2.27 or 0.0227


aabwk4

  • Hero Member
  • *****
  • Posts: 593
Reply #2 on: Jun 24, 2018
Correct answers!


LegendaryAnswers

  • Sr. Member
  • ****
  • Posts: 341
Reply #3 on: Jun 24, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

The WISC-IV: Sample Items The WISC-IV: Sample Items
Sample Exercise Prescription for Weight Training: Advanced Sample Exercise Prescription for Weight Training: Advanced
Sample Stress Management Program Sample Stress Management Program
A sample flow sheet. A sample flow sheet.
To measure fuel-injector resistance, a technician constructed a short wiring harness with a double ... To measure fuel-injector resistance, a technician constructed a short wiring harness with a double ...
Sample of a weekly bookkeeping ledger. Sample of a weekly bookkeeping ledger.
Video: Wound Care

For a complete list of videos, visit our video library