« previous next »

Author Question: The number of violent crimes committed in a day possesses a distribution with a mean of 2.2 crimes ... (Read 39 times)

go.lag

  • Hero Member
  • *****
  • Posts: 667
on: Jul 24, 2018
The number of violent crimes committed in a day possesses a distribution with a mean of 2.2 crimes per day and a standard deviation of 6 crimes per day.
 
  A random sample of 100 days was observed, and the mean number of crimes for the sample was calculated. Describe the sampling distribution of the sample mean. A) approximately normal with mean = 2.2 and standard deviation = 0.6
  B) approximately normal with mean = 2.2 and standard deviation = 6
  C) shape unknown with mean = 2.2 and standard deviation = 6
  D) shape unknown with mean = 2.2 and standard deviation = 0.6

Question 2

Is a confidence interval or a prediction interval the wider interval at the same level of significance?
 
  A) Prediction Interval B) Confidence interval


miss_1456@hotmail.com

  • Sr. Member
  • ****
  • Posts: 289
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

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 oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

How Safe Is Your State? Violent Crime in the United States How Safe Is Your State? Violent Crime in the United States
Distribution of the Income of Americans Distribution of the Income of Americans
Annual Mean Number of Days with Thunder Annual Mean Number of Days with Thunder
Frequency distribution of phenotypes from the possible offspring in Figure 5.7. Height of the offspr Frequency distribution of phenotypes from the possible offspring in Figure 5.7. Height of the offspr
Number writing practice 1-30 kindergarten Number writing practice 1-30 kindergarten
Copy-number variants Copy-number variants
Video: Introduction to Tuberculosis

For a complete list of videos, visit our video library