Author Question: Find the 98 confidence interval for the difference in the mean costs of parking tickets in these two ... (Read 30 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?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

For a complete list of videos, visit our video library