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 135 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 U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Amonia plama test Amonia plama test
Earthquakes—Another Test For Plate Tectonics Earthquakes—Another Test For Plate Tectonics
Although average brain size increases gradually though time in H. erectus, individuals with small br Although average brain size increases gradually though time in H. erectus, individuals with small br
Because of the high physical activity and the amount of energy expended by the brains of 2- to ... Because of the high physical activity and the amount of energy expended by the brains of 2- to ...
Outgroup role in relative rate test Outgroup role in relative rate test
Data for a Hypothetical Paternity Test Using 13 CODIS Genes Data for a Hypothetical Paternity Test Using 13 CODIS Genes
Video: Stroke volume - contractility definition

For a complete list of videos, visit our video library