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

Author Question: Without doing the calculations, explain whether a 95 confidence interval for the mean weight of all ... (Read 60 times)

azncindy619

  • Hero Member
  • *****
  • Posts: 562
on: Jun 24, 2018
Without doing the calculations, explain whether a 95 confidence interval for the mean weight of all bricks produced this day would be wider than, narrower than, or the same width as that of a 99 confidence interval.
 
  What will be an ideal response?

Question 2

On an average, how much would we expect a 5-member household with a monthly income of 2,100 to spend on groceries? Assume that only one of the adults is working.
 
  A) 215.30
  B) 481.60
  C) 172.10
  D) 438.40


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

aruss1303

  • Sr. Member
  • ****
  • Posts: 314
Reply #1 on: Jun 24, 2018
Answer to Question 1

A 95 confidence interval for the population mean would be narrower than that of a 99 confidence interval since the z score for a 95 confidence interval (1.96 ) is smaller than the z score for the 99 confidence interval (2.576 ).

Answer to Question 2

D


azncindy619

  • Hero Member
  • *****
  • Posts: 562
Reply #2 on: Jun 24, 2018
Correct answers!


aruss1303

  • Sr. Member
  • ****
  • Posts: 314
Reply #3 on: Jun 24, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

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

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

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.

IV Solutions and Calculations IV Solutions and Calculations
Charting Progress: Weekly Weight Loss Log Charting Progress: Weekly Weight Loss Log
Sketch a graph of the function h(x), by hand on the following interval: Sketch a graph of the function h(x), by hand on the following interval:
Social scientists have not done well at devising theories to explain lovely romantic moments Social scientists have not done well at devising theories to explain lovely romantic moments
A solution is 2.25% by weight NaHCO3. How many grams of NaHCO3 are in 250.0 g of solution? A solution is 2.25% by weight NaHCO3. How many grams of NaHCO3 are in 250.0 g of solution?
Pharmancology calculations Pharmancology calculations
Video: Spermatogenesis Animation

For a complete list of videos, visit our video library