maleah5541 maleah5541
  • 13-02-2018
  • Mathematics
contestada

An unprepared student makes random guesses for 6 multiple choice questions that have selections a -
e. find the probability that there is at least one correct answer.

Respuesta :

879843
879843 879843
  • 13-02-2018
 P(at least 1 ) = 1 - P(exactly none) = 1 - (4/5)^6 = .738
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