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 64 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?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Mononucleosis is caused by the Epstein–Barr virus. Symptoms of the infectious disease are swollen pa Mononucleosis is caused by the Epstein–Barr virus. Symptoms of the infectious disease are swollen pa
Nurse examining and measuring hematuria sample from client with a UTI Nurse examining and measuring hematuria sample from client with a UTI
Sample tiered drug formulary for antibiotics. Sample tiered drug formulary for antibiotics.
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 prescriptions of antibiotics for dental infections. Sample prescriptions of antibiotics for dental infections.
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 ...
Video: How eudicots (true dicots) differ from monocots Animation

For a complete list of videos, visit our video library