Combinations - A teacher makes 2 tests that each have:
-5 multiple choice questions with 4 possible answers
-10 true/false questions (2 possible answers)
If a students takes both tests. How many possible comb ...
Probability - In class we are learning about conditional probability and independence.
The question is:
On a multiple-choice test you know the answers to 70% of the question (and get them right), and for the re ...