This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A cola-tasting experiment is conducted in which 100 people are each given a half-cup of Cola A and a ... (Read 131 times)

yoooooman

  • Hero Member
  • *****
  • Posts: 557
on: Jul 24, 2018
A cola-tasting experiment is conducted in which 100 people are each given a half-cup of Cola A and a half-cup of Cola B. All 100 participants taste both colas and then rate the taste of each cola on a 0 (horrible) to 50 (tastes great) scale. For each person, a coin is tossed to determine the order of tasting the two colas. To estimate the mean difference between ratings of the two products, what procedure should be used?
 a. A confidence interval for one proportion.
  b. A confidence interval for a difference between two proportions.
  c. A paired t (or 1-sample t) confidence interval for a mean difference.
  d. A 2-sample t confidence interval for a difference in two means.

Question 2

Data is to be gathered to estimate the proportion of residents who will vote for Mr. Treehouse in the coming city elections. A random sample of 650 voters is interviewed and 306 of them say that they will support Mr. Treehouse. What is the sample proportion of residents who will vote for Mr. Treehouse in the coming city elections?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mariahkathleeen

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 24, 2018
Answer to Question 1

C

Answer to Question 2

0.4708


yoooooman

  • Member
  • Posts: 557
Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review

FergA

  • Member
  • Posts: 352
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

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?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Petrolisthes elongatus, the New Zealand half crab Petrolisthes elongatus, the New Zealand half crab
In 2006 an Iraqi tribunal convicted Saddam Hussein of murdering his own people and sentenced him to In 2006 an Iraqi tribunal convicted Saddam Hussein of murdering his own people and sentenced him to
For ice massage, ice is frozen in a cylindrical container or a paper cup (A). The top half of the cu For ice massage, ice is frozen in a cylindrical container or a paper cup (A). The top half of the cu
Government in America: People, Politics, and Policy, AP Government in America: People, Politics, and Policy, AP
Monkey Experiment: Sense of Fairness Monkey Experiment: Sense of Fairness
The Experiment at Robbers Cave The Experiment at Robbers Cave
Video: Simple Diffusion - Ion transport

For a complete list of videos, visit our video library