Author Question: Find the 98 confidence interval for the difference in the mean costs of parking tickets in these two ... (Read 79 times)

cdr_15

  • Hero Member
  • *****
  • Posts: 546
Find the 98 confidence interval for the difference in the mean costs of parking tickets in these two cities.
 
  A) 19.52  25.37
  B) 19.52  20.38
  C) 19.52  22.77
  D) 19.52  22.21

Question 2

What is P(Z > 0.29 )?
 
  What will be an ideal response?



lucas dlamini

  • Sr. Member
  • ****
  • Posts: 327
Answer to Question 1

D

Answer to Question 2

0.3859



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

For a complete list of videos, visit our video library