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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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littlej_dvine littlej_dvine
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6 years ago
Two percent of the parts produced by a machine are defective. Twenty parts are selected at random. Use the binomial probability tables to answer the following questions.
 a. What is the probability that exactly 3 parts will be defective?
  b. What is the probability that the number of defective parts will be more than 2 but fewer than 6?
  c. What is the probability that fewer than 4 parts will be defective?
  d. What is the expected number of defective parts?
  e. What is the variance for the number of defective parts?
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kwengertkwengert
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6 years ago
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littlej_dvine Author
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6 years ago
Good timing, thanks!
dedricgard
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Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
wyq2651
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2 hours ago
This calls for a celebration Person Raising Both Hands in Celebration
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