« previous next »

Author Question: Find the 95 confidence interval for the difference in the mean costs of parking tickets in these two ... (Read 107 times)

lilldybug07

  • Hero Member
  • *****
  • Posts: 546
on: Jun 24, 2018
Find the 95 confidence interval for the difference in the mean costs of parking tickets in these two cities.
 
  A) 19.57  20.00
  B) 19.57  20.38
  C) 19.57  18.98
  D) 19.57  17.68

Question 2

In order for the chi-square test of independence to be valid, the expected frequency in each cell of the contingency table should be at least 1.
 
  Indicate whether the statement is true or false


Chelseyj.hasty

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

FALSE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

lilldybug07

  • Hero Member
  • *****
  • Posts: 546
Reply #2 on: Jun 24, 2018
Thank you :)


Chelseyj.hasty

  • Sr. Member
  • ****
  • Posts: 319
Reply #3 on: Jun 24, 2018
Happy to help you


« previous next »
 

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

How to find the resultant vector of any two vectors How to find the resultant vector of any two vectors
How to find the definite integral using the fundamental theorem of calculus (Part 3) How to find the definite integral using the fundamental theorem of calculus (Part 3)
Find the derivative of f(x) = 6x^3 - 9x + 4 Find the derivative of f(x) = 6x^3 - 9x + 4
How to find the reaction for each of the beams below. How to find the reaction for each of the beams below.
An electron is accelerated from rest through a potential difference of 3750 V. It enters a ... An electron is accelerated from rest through a potential difference of 3750 V. It enters a ...
Calculus help: Find the absolute minimum and absolute maximum f(x) = (x2 —1) on [-1.2] Calculus help: Find the absolute minimum and absolute maximum f(x) = (x2 —1) on [-1.2]
Video: Sigmoidoscopy

For a complete list of videos, visit our video library