« 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 19 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?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Roots of the keystone species hypothesis: does a higher proportion of predators in diverse communiti Roots of the keystone species hypothesis: does a higher proportion of predators in diverse communiti
A tail from a different individual - the tail of each humpback whale is visibly unique. A tail from a different individual - the tail of each humpback whale is visibly unique.
GEN. BIO. TEST HELP [EMERGENCY] GEN. BIO. TEST HELP [EMERGENCY]
A Test for the Blind Spot A Test for the Blind Spot
Induration measurement in a tuberculin skin test, a type IV hypersensitivity. Induration measurement in a tuberculin skin test, a type IV hypersensitivity.
Phalen’s test Phalen’s test
Video: Coronary Heart Disease Animation

For a complete list of videos, visit our video library