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Author Question: What is meant by a designed experiment? ... (Read 79 times)

jwb375

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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.


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amandanbreshears

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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

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Reply 2 on: Aug 1, 2018
YES! Correct, THANKS for helping me on my review

bbburns21

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Reply 3 on: Yesterday
Wow, this really help

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