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

Author Question: An insurance company sets up a statistical test with a null hypothesis that the average time for ... (Read 51 times)

KimWrice

  • Hero Member
  • *****
  • Posts: 579
An insurance company sets up a statistical test with a null hypothesis that the average time for processing a claim is 7 days, and an alternative hypothesis that the average time for processing a claim is greater than 7 days.
 
  After completing the statistical test, it is concluded that the average time exceeds 7 days. However, it is eventually learned that the mean process time is really 7 days. What type of error occurred in the statistical test?
  A) Type I error B) Type III error
  C) Type II error D) No error occurred in the statistical sense.

Question 2

According to a recent study, 1 in every 7 women has been a victim of domestic abuse at some point in her life.
 
  Suppose we have randomly and independently sampled twenty-five women and asked each whether she has been a victim of domestic abuse at some point in her life. Find the probability that at least 2 of the women sampled have been the victim of domestic abuse. Round to six decimal places.
  A) 0.713804 B) 0.109532 C) 0.176664 D) 0.890468



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

yeungji

  • Sr. Member
  • ****
  • Posts: 319
Answer to Question 1

A

Answer to Question 2

D





 

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

For a complete list of videos, visit our video library