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A manufacturer of window frames knows from long experience that 5 percent of the
Chapter 0, Problem 22(choose chapter or problem)
A manufacturer of window frames knows from long experience that 5 percent of the production will have some type of minor defect that will require an adjustment. What is the probability that in a sample of 20 window frames: a. None will need adjustment? b. At least one will need adjustment? c. More than two will need adjustment?
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QUESTION:
A manufacturer of window frames knows from long experience that 5 percent of the production will have some type of minor defect that will require an adjustment. What is the probability that in a sample of 20 window frames: a. None will need adjustment? b. At least one will need adjustment? c. More than two will need adjustment?
ANSWER:Step 1 of 4
A manufacturer of window frames knows from long experience that 5 percent of the production will have some type of minor defect that will require an adjustment.
So probability that the production will require an adjustment is,
or
Number of window frames,