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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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Brutusandmoose Brutusandmoose
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6 years ago
Twenty-five percent of the employees of a large company are minorities. A random sample of 7 employees is selected.
 a. What is the probability that the sample contains exactly 4 minorities?
  b. What is the probability that the sample contains fewer than 2 minorities?
  c. What is the probability that the sample contains exactly 1 non-minority?
  d. What is the expected number of minorities in the sample?
  e. What is the variance of the minorities?
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racheyrachey
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6 years ago
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Brutusandmoose Author
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6 years ago
You make an excellent tutor!
kc123
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Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
rhockeygirl
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2 hours ago
Just got PERFECT on my quiz
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