« previous next »

Author Question: The number of violent crimes committed in a day possesses a distribution with a mean of 2.2 crimes ... (Read 56 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?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

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?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Number of lower molar cusps is one of the features used to distinguish sundadonts from sinodonts. Number of lower molar cusps is one of the features used to distinguish sundadonts from sinodonts.
The Distribution of the Earth's Wealth The Distribution of the Earth's Wealth
How would you write the number 120 in Babylonian? How would you write the number 120 in Babylonian?
The minimum number of moles of oxygen needed to completely consume 4 moles of C3H8O is ... The minimum number of moles of oxygen needed to completely consume 4 moles of C3H8O is ...
DNA Hypermethylation of Number of Known Genes DNA Hypermethylation of Number of Known Genes
Distribution of glucose-6-phosphate dehydrogenase (G6PD) deficiency in various Jewish populations. B Distribution of glucose-6-phosphate dehydrogenase (G6PD) deficiency in various Jewish populations. B
Video: Lactation and Breast Feeding

For a complete list of videos, visit our video library