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Author Question: If an LP problem is not correctly formulated, the computer software will indicate it is infeasible ... (Read 79 times)

nummyann

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on: Jun 24, 2018
If an LP problem is not correctly formulated, the computer software will indicate it is infeasible when trying to solve it.
  Indicate whether the statement is true or false

Question 2

At a certain manufacturing plant, a machine produced ball bearings that should have a diameter of 0.50 mm. If the machine produces ball bearings that are either too small or too large, the ball bearings must be scrapped. Every hour, a quality control manager takes a random sample of 30 ball bearings to test to see if the process is out of control (i.e. to test to see if the average diameter differs from 0.50 mm).
 a. State the hypotheses associated with the manager's test.
  b. Describe a Type I error for this situation.
  c. Describe a Type II error for this situation.


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chereeb

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Reply #1 on: Jun 24, 2018
Answer to Question 1

F

Answer to Question 2

a. H0:  = .50
Ha:   .50
b. A Type I error for this situation would be to incorrectly conclude that the process is out of control.
c. A Type II error for this situation would be to fail to conclude that an out of control process is out of control.


nummyann

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Reply 2 on: Jun 24, 2018
Gracias!

samiel-sayed

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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