« previous next »

Author Question: In order to determine the average weight of carry-on luggage by passengers in airplanes, a sample of ... (Read 112 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?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

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.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

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?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Menstrual cycle summary based on a 28-day (average) menstrual cycle. Menstrual cycle summary based on a 28-day (average) menstrual cycle.
Nursing history for weight assessment Nursing history for weight assessment
Average Global Temperature during the Phanerozoic Average Global Temperature during the Phanerozoic
Performance of a delayed nonmatching-to-sample trial. Performance of a delayed nonmatching-to-sample trial.
What is the [OH-] in a seawater sample if the pH is 8.65? What is the [OH-] in a seawater sample if the pH is 8.65?
Directions: Fill in the correct number or word(s). Order: Lantus U-100 insulin 68 units subcut ... Directions: Fill in the correct number or word(s). Order: Lantus U-100 insulin 68 units subcut ...
Video: Anatomy and Chemical Makeup of a Single Hair (Animation)

For a complete list of videos, visit our video library