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

Author Question: What is meant by a designed experiment? ... (Read 83 times)

jwb375

  • Hero Member
  • *****
  • Posts: 540
on: Aug 1, 2018
What is meant by a designed experiment?

Question 2

A salesman who uses his car extensively finds that his gasoline bills average 125.32 per month with a standard deviation of 49.51 . The probability that his bill will be less than 50 a month or more than 150 for a single month is:
 a. 0.4357.
  b. 0.1915.
  c. 0.6272.
  d. 0.3728.
  e. 0.6915.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

amandanbreshears

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Aug 1, 2018
Answer to Question 1

A designed experiment is an experiment in which treatments are randomly assigned to the participants or test units.

Answer to Question 2

D


jwb375

  • Member
  • Posts: 540
Reply 2 on: Aug 1, 2018
Thanks for the timely response, appreciate it

steff9894

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

The Hershey-Chase Experiment The Hershey-Chase Experiment
The swan neck flask experiment The swan neck flask experiment
Ghostly experiment Ghostly experiment
In which experiment was the hormone glucagon used? In which experiment was the hormone glucagon used?
The Milgram Obedience Experiment The Milgram Obedience Experiment
Summary of Avery, MacLeod, and McCarty’s experiment Summary of Avery, MacLeod, and McCarty’s experiment
Video: Krebs cycle : Formation of acetyl coenzyme A and Electron transport chain

For a complete list of videos, visit our video library