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 163 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?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

The grey side-gilled sea slug Pleurobranchaea maculata. The discovery of tetrodotoxin in this slug i The grey side-gilled sea slug Pleurobranchaea maculata. The discovery of tetrodotoxin in this slug i
The tools and equipment needed to perform a compression test include a compression gauge, an air ... The tools and equipment needed to perform a compression test include a compression gauge, an air ...
Phalen’s test Phalen’s test
A company spends $117 500 today and has positive cash inflows of $34 000 for each of the next 6 ... A company spends $117 500 today and has positive cash inflows of $34 000 for each of the next 6 ...
An organizational specialist is hired as a consultant to a company planning to open a coffee ... An organizational specialist is hired as a consultant to a company planning to open a coffee ...
A company purchased 26 desks for $240 each and 18 chairs for $59 each. Compute the total ... A company purchased 26 desks for $240 each and 18 chairs for $59 each. Compute the total ...
Video: Multiple Sclerosis Animation

For a complete list of videos, visit our video library