SOLUTION: Recent problems solved by 'A test consists of 10 multiple choice questions, each with five possible answers, one of which is correct. To pass the test a student must get 60% or bet
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Question 1141068: Recent problems solved by 'A test consists of 10 multiple choice questions, each with five possible answers, one of which is correct. To pass the test a student must get 60% or better on the test. If a student randomly guesses, what is the probability that the student will pass the test? solve using ti-84.'
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
want the probability that a student will get a 6 or greater with a probability of 0.2 and n=10
Use 2nd VARS binomial cdf and 1-(10,0.2,5)
This gives the probability of 0.0064
One could also use binomial pdf and do (10,0.2,6) and then 7,8,9,10 and add those results.
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