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Assume that random guesses are made for multiple choice questions on an SAT​ test, so that there are n = 8 ​trials, each with probability of success​ (correct) given by p = 0.25. Find the indicated probability for the number of correct answers. Find the probability that the numbers of x of correct answers is fewer than 4.

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Answer:

Concept: Statistical Modeling

  1. N= 8 trials
  2. P= 0.25 or 1/4 chance
  3. You have 8 * 1/4 = 2 correct
  4. [tex](p < .50) = \frac{1}{8} [/tex]

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