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 116 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?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

On average, the ratio of carbon to nitrogen is much higher in terrestrial plants than in other major On average, the ratio of carbon to nitrogen is much higher in terrestrial plants than in other major
Rinne Test, Assessing Bone Conduction Rinne Test, Assessing Bone Conduction
Obturator Muscle Test Obturator Muscle Test
Morris and Company, Sussex Rush-Seated Chairs. Morris and Company, Sussex Rush-Seated Chairs.
On average, students in Roman Catholic schools score higher on national tests than students in ... On average, students in Roman Catholic schools score higher on national tests than students in ...
Consider the following hypothesis problem. n = 30 H0: 2 = 500 s2 = 625 Ha: 2 500 The test ... Consider the following hypothesis problem. n = 30 H0: 2 = 500 s2 = 625 Ha: 2 500 The test ...
Video: Semidiscontinuous DNA replication

For a complete list of videos, visit our video library