A computer is programmed to: use the box [0, 0, 0, 0, 1] and make 100 draws at random with replacement from this box and take their sum. This experiment is performed 144 times and the average of the 144 sums is 21.13. You would like to determine if this program is working fine or not. Perform a test. What is your conclusion? Group of answer choices Something is wrong, the observed value of 21.13 is too far from the expected value. The program is working fine, the observed value of 21.13 is reasonably close to the expected value. Impossible to say.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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A computer is programmed to:

  • use the box [0, 0, 0, 0, 1] and
  • make 100 draws at random with replacement from this box and take their sum.

This experiment is performed 144 times and the average of the 144 sums is 21.13. You would like to determine if this program is working fine or not. Perform a test. What is your conclusion?

Group of answer choices
Something is wrong, the observed value of 21.13 is too far from the expected value.
The program is working fine, the observed value of 21.13 is reasonably close to the expected value.
Impossible to say. 
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