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Category > Statistics Posted 29 Apr 2017 My Price 7.00

In the field of quality control

1.77    In the field of quality control, the science of statistics is often used to determine if a process is “out of control.” Suppose the process is, indeed, out of con- trol and 20% of items produced are defective.

(a)   If three items arrive off the process line in succes- sion, what is the probability that all three are de- fective?

(b)   If four items arrive in succession, what is the prob- ability that three are defective?

 1.78    An industrial plant is conducting a study to de- termine how quickly injured workers are back on the job following injury. Records show that 10% of all in- jured workers are admitted to the hospital for treat- ment and 15% are back on the job the next day. In addition, studies show that 2% are both admitted for hospital treatment and back on the job the next day.

If a worker is injured, what is the probability that the worker will either be admitted to a hospital or be back on the job the next day or    both?

 

 

 

Answers

Alpha Geek
(8)
Status NEW Posted 29 Apr 2017 09:04 AM My Price 7.00

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