Question 1176768
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Hi
 15 multiple choice SAT test questions (each with four possible answers).
 p = .25  n = 15

P(at least one) = 1 - P(x=0) = 1-.0134 = .9866

Practice Test: must get at least one correct answer before continuing
first Question for example:
P(is correct by guessing) = .25
  

Wish You the Best in your Studies.
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