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

Author Question: A company that makes shampoo wants to test whether the average amount of shampoo per bottle is 16 ... (Read 138 times)

fasfsadfdsfa

  • Hero Member
  • *****
  • Posts: 554
on: Jun 24, 2018
A company that makes shampoo wants to test whether the average amount of shampoo per bottle is 16 ounces.
 
  The standard deviation is known to be 0.20 ounces. Assuming that the hypothesis test is to be performed using 0.10 level of significance and a random sample of n = 64 bottles, which of the following would be the upper tail critical value?
  A) 1.28
  B) 1.645
  C) 1.96
  D) 2.575

Question 2

A package delivery service claims that no more than 5 percent of all packages arrive at the address late.
 
  Assuming that the conditions for the binomial hold, if a sample of size 10 packages is randomly selected, and the 5 percent rate holds, what is the probability that exactly 2 packages in the sample arrive late?A) 0.0746
  B) 0.9884
  C) 0.2347
  D) 0.0439


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cloudre37

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

A


fasfsadfdsfa

  • Hero Member
  • *****
  • Posts: 554
Reply #2 on: Jun 24, 2018
Correct answers!


cloudre37

  • Sr. Member
  • ****
  • Posts: 332
Reply #3 on: Jun 24, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Mars's average distance from the Sun is roughly 230 million km (1.5 AU) and its orbital period Mars's average distance from the Sun is roughly 230 million km (1.5 AU) and its orbital period
Varus Stress Test Varus Stress Test
Straight Leg Raising Test Straight Leg Raising Test
A demonstration engine showing the amount of water that can be circulated through the cooling ... A demonstration engine showing the amount of water that can be circulated through the cooling ...
To test the normally open contacts, connect one meter lead to terminal 30 and the other lead to ... To test the normally open contacts, connect one meter lead to terminal 30 and the other lead to ...
Trace showing the Inspection/Maintenance 240 test. The test duplicates an urban test loop around Los ... Trace showing the Inspection/Maintenance 240 test. The test duplicates an urban test loop around Los ...
Video: Introduction to Human Immunodeficiency Virus (HIV)

For a complete list of videos, visit our video library