« previous next »

Author Question: If the null hypothesis is P 0.20 and the alternate hypothesis is P < 0.20, then a two-tail test ... (Read 56 times)

natalie2426

  • Hero Member
  • *****
  • Posts: 524
on: Jun 24, 2018
If the null hypothesis is P  0.20 and the alternate hypothesis is P < 0.20, then a two-tail test is being conducted.
 
  Indicate whether the statement is true or false

Question 2

An automobile company with 3500 employees needs to take a simple random sample in order to estimate the employee population's average satisfaction level on a scale of 0-100.
 
  From previous experience, it is estimated that the population standard deviation is approximately 8.0. A 95  confidence interval for the population mean must extend 3.0 on each side of the sample mean. How many employees need to be sampled to achieve this objective?A) 28
  B) 24
  C) 42
  D) 32


Dunkey

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jun 24, 2018
Answer to Question 1

FALSE

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Australian Stumpy Tail Cattle Dog Australian Stumpy Tail Cattle Dog
Treadmill ¬exercise stress test. Treadmill ¬exercise stress test.
Ankle Reflex Test Ankle Reflex Test
The Turing Test The Turing Test
Outgroup role in relative rate test Outgroup role in relative rate test
If the following ions Ca2+, Cl-, Na+ and CO32- are placed in a test tube, the precipitate ... If the following ions Ca2+, Cl-, Na+ and CO32- are placed in a test tube, the precipitate ...
Video: Hierarchical Sequencing Method - Sequence Tagged Sites

For a complete list of videos, visit our video library