The company manufactures the inverters for the synchronous motors. The quality inspector has determined that in each package, 92% of the inverters are within the correct tolerance values with respect to their functionality, the remainder were out of tolerance. If a random sample of 8 inverters are drawn from the package, , determine the probabilities that 4 of the sample inverters are out of tolerance More than 5 of the sample inverters are out of tolerance Less than three of the sample inverters are out of tolerance. No one is out of tolerance.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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  1. The company manufactures the inverters for the synchronous motors. The quality inspector has determined that in each package, 92% of the inverters are within the correct tolerance values with respect to their functionality, the remainder were out of tolerance. If a random sample of 8 inverters are drawn from the package, , determine the probabilities that
  2. 4 of the sample inverters are out of tolerance
  3. More than 5 of the sample inverters are out of tolerance
  4. Less than three of the sample inverters are out of tolerance.
  5. No one is out of tolerance.
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