What is probability that four candidates will pass the exam

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The ADJO Police Department is seeking to hire new personnel and requires a passing score on its aptitude exam. It is seeking officer candidates from a variety of police academies and from experienced personnel. The probability of someone passing the aptitude exam is 50%. The local police academy has 18 new graduates this month that will take the aptitude exam. What is the probability that at most, four candidates will pass the exam?

Reference no: EM13899353

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