« previous next »

Author Question: In order to determine the average weight of carry-on luggage by passengers in airplanes, a sample of ... (Read 66 times)

c0205847

  • Hero Member
  • *****
  • Posts: 531
on: Jun 24, 2018
In order to determine the average weight of carry-on luggage by passengers in airplanes, a sample of 36 pieces of carry-on luggage was weighed. The average weight was 20 pounds. Assume that we know the standard deviation of the population to be 8 pounds.
 a. Determine a 97 confidence interval estimate for the mean weight of the carry-on luggage.
  b. Determine a 95 confidence interval estimate for the mean weight of the carry-on luggage.

Question 2

Problem definition
 a. includes specific objectives and operating constraints.
  b. must occur prior to the quantitative analysis process.
  c. must involve the analyst and the user of the results.
  d. each of these choices are true.


miss.ashley

  • Sr. Member
  • ****
  • Posts: 371
Reply #1 on: Jun 24, 2018
Answer to Question 1

a. 17.11 to 22.89
b. 17.39 to 22.61

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Emphysema. (a) Illustration comparing normal lungs and emphysemic lungs. The inserts illustrate how Emphysema. (a) Illustration comparing normal lungs and emphysemic lungs. The inserts illustrate how
These illustrations show Ellen Craft, a slave with and without a disguise. She dressed “as a disting These illustrations show Ellen Craft, a slave with and without a disguise. She dressed “as a disting
How to determine the x- and y- intercepts of a linear equation How to determine the x- and y- intercepts of a linear equation
Average Surface Air Pressure – July Average Surface Air Pressure – July
The decay rate of a radioactive sample decreases from 175 kBq to 12.4 kBq in 18.3 s. What is ... The decay rate of a radioactive sample decreases from 175 kBq to 12.4 kBq in 18.3 s. What is ...
What would your average (mean) number of cells per cluster be? What would your average (mean) number of cells per cluster be?
Video: Cardiac Cycle (Part 2 of 4)

For a complete list of videos, visit our video library