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What is the probability of answering three questions correct

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Reference no: EM132845887

Caleb has missed much of his Stat 200 class. He is given a quiz with 6 questions on it and must guess randomly at the answer on each question. Each question has 4 answer choices.

You may use the following probability distribution table if you would like.
x
P(X=x)
P(X≤x)

  • What is the probability of answering three questions correctly?
  • What is the probability of answering at most three correctly?
  • What is the probability of answering less than three correctly?
  • What is the probability of answering at least three correctly?
  • What is the standard deviation of the distribution?
  • What is the mean of this distribution?

Reference no: EM132845887

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