You are taking a multiple choice test that has 20 questions with 4 possible answers each. You randoming quess each answer. What is the probality of getting 7 questions correct?
Stats - Mr.Bruce, Saturday, May 1, 2010 at 3:28pm
4 out of 20. talk to me about this.
Stats - Bernice, Saturday, May 1, 2010 at 3:31pm
I do not understand what I need to do here...very confused...would I multiply 20 x 4 to get 80/7?
Stats - anonymous, Saturday, May 1, 2010 at 5:18pm
It's not 4 out of 20