This topic contains a solution. Click here to go to the answer

Author Question: Explain what the statement of the alternative hypothesis represents in hypothesis testing. Give an ... (Read 502 times)

Lobcity

  • Hero Member
  • *****
  • Posts: 524
Explain what the statement of the alternative hypothesis represents in hypothesis testing. Give an example.

Question 2

Suppose on a highway with a speed limit of 65 mph, the speed of cars are independent and normally distributed with an average speed = 65 mph and standard deviation = 5 mph. What is the probability that the sample mean speed in a random sample of n = 10 cars exceeds 68 mph?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cadimas

  • Sr. Member
  • ****
  • Posts: 362
Answer to Question 1

The alternative hypothesis is the statement that the assumed status quo is false, or that there is a relationship, or that there is a difference. An example of an alternative hypothesis is that there is a difference between the proportion of men and women who favor the death penalty.

Answer to Question 2

0.0288



Lobcity

  • Hero Member
  • *****
  • Posts: 524
Both answers were spot on, thank you once again




 

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?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

For a complete list of videos, visit our video library