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Using binomial and poisson distributions to find probabilities using the two equations from binominal and poisson...

Using binomial and poisson distributions to find probabilities using the two equations from binominal and poisson

  • An inspector looks for blemishes in the finish on porcelain and counts the number of defects on batches of 12 vases. If the mean is 1.2, what is the probability he finds exactly one blemish? (poisson)
  • A nail salon tracks the number of customers that enter each minute. In an average minutes 0.35 customers enter. What is the probability at least 1 customer enters in a minute? (poisson)
  • Inspection of inbound goods is conducted 50 units at a time, the defect rate is 0.005. What is the probability that more than one unit is found defective? (binomial)
  • A key and difficult feature on a part in a job shop is inspected in batches of 20 for functionality and each part is classified as functional or non-functional. Historically, the non-functional rate is 4%, what is the probability that more than 2 parts in a batch of 20 are defective? (binomial)

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