SOLUTION: Imagine that Exam 1 for Statistics 2160 this term will have 63 questions. Each question has 5 multiple choice options, giving you a probability of 0.2 of getting each question righ
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Question 971702: Imagine that Exam 1 for Statistics 2160 this term will have 63 questions. Each question has 5 multiple choice options, giving you a probability of 0.2 of getting each question right purely by guessing. Assuming that you guess on all questions, what is the probability that you get exactly 5 questions right on your exam?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
This is a binomial probability ;the total choose the number wanted. That is 63 Math Prb Go to nCr ENTER,then type in5, ENTER. Then multiply by the two numbers below.
63C5 (0.2)^5 (0.8)^58= P
0.00539= probability
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