SOLUTION: Solve. There are 10 true/false questions on a test. You do not know the answer to 4 of the questions, so you guess. What is the probability that you will get all 4 answers right?

Algebra ->  Probability-and-statistics -> SOLUTION: Solve. There are 10 true/false questions on a test. You do not know the answer to 4 of the questions, so you guess. What is the probability that you will get all 4 answers right?      Log On


   

Question 862363: Solve.
There are 10 true/false questions on a test. You do not know the answer to 4 of the questions, so you guess. What is the probability that you will get all 4 answers right?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

p = .5 and n = 4

P(4) = .5^4 = .0625  0r 6.25%