« previous next »

Author Question: The number of violent crimes committed in a day possesses a distribution with a mean of 2.2 crimes ... (Read 98 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?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Polar bears feed upon a number of marine mammals. They are currently at the centre of international Polar bears feed upon a number of marine mammals. They are currently at the centre of international
Mammals posses a number of physiological pathways related to stress. One example is the hypothalamic Mammals posses a number of physiological pathways related to stress. One example is the hypothalamic
Critical Values of the Chi-Square Distribution Critical Values of the Chi-Square Distribution
Ebola Virus Geographic Distribution Ebola Virus Geographic Distribution
Geographic distribution of early hominins. Geographic distribution of early hominins.
The Location and Number of Farms in the United States, 2012 The Location and Number of Farms in the United States, 2012
Video: How eudicots (true dicots) differ from monocots Animation

For a complete list of videos, visit our video library