SOLUTION: Liza Lazy is about to take a 10-item true or false quiz. She was not able to study prior taking this quiz. She needs to get at least 80% to pass. What is the probability of Liza ge

Algebra ->  Probability-and-statistics -> SOLUTION: Liza Lazy is about to take a 10-item true or false quiz. She was not able to study prior taking this quiz. She needs to get at least 80% to pass. What is the probability of Liza ge      Log On


   



Question 1148252: Liza Lazy is about to take a 10-item true or false quiz. She was not able to study prior taking this quiz. She needs to get at least 80% to pass. What is the probability of Liza getting a perfect score?
Answer by greenestamps(13206) About Me  (Show Source):
You can put this solution on YOUR website!


The probability of getting each question right is 1/2.

The probability of getting all 10 questions right is (1/2)^10 = 1/1024.