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There are 10 questions on a true-false test. A student feels unprepared for this test and...

  1. There are 10 questions on a true-false test. A student feels unprepared for this test and randomly guesses the answer for each of these.
  1. What is the probability that student gets exactly 7 correct?
  2. What is the probability that student gets exactly 8 correct?
  3. What is the probability that student gets less than or equal 7 correct?
  4. What is the probability that student gets more than 6 correct?

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