Ask Question
13 July, 21:52

You study for an exam, but due to the fact that you waited too long, you only learn 60% of the material. The exam is all multiple choice, with each question having 5 choices.

a) If you come across a question for which you don't know the answer, what's the probability of getting the answer right?

b) If you come across a question for which you do know the answer, what's the probability of getting it right?

c) What is the overall probability of getting any question correct?

+3
Answers (1)
  1. 13 July, 22:33
    0
    A} The probability of getting a write answer of a question which you don't know the answer is 0.40*0.20 = 0.08 or 8%.

    b} The probability of getting a write answer of a question which you know the answer is 0.6*0.20=0.12 or 12%.

    c) The probability of getting a write answer is 0.20 or 20%.
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “You study for an exam, but due to the fact that you waited too long, you only learn 60% of the material. The exam is all multiple choice, ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers