« previous next »

Author Question: The number of violent crimes committed in a day possesses a distribution with a mean of 2.2 crimes ... (Read 97 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?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

The relationship between number of acres a Kipsigis man owns and the number of offspring he has duri The relationship between number of acres a Kipsigis man owns and the number of offspring he has duri
HIV-positive men with a high number of life stressors progress more quickly to AIDS than those with ... HIV-positive men with a high number of life stressors progress more quickly to AIDS than those with ...
(a) The low-resolution signal has the same number of pulses as the engine has cylinders. (b) A ... (a) The low-resolution signal has the same number of pulses as the engine has cylinders. (b) A ...
Distribution and Forms of Precipitation: Snow Distribution and Forms of Precipitation: Snow
The expected value for a binomial probability distribution is _____. The expected value for a binomial probability distribution is _____.
The charge for telephone calls T is partly constant and partly varies with the number N of ... The charge for telephone calls T is partly constant and partly varies with the number N of ...
Video: Functional zones in a mitochondrion

For a complete list of videos, visit our video library