Solution Found!
There are 100 questions from an SAT test, and they are all
Chapter 5, Problem 2CQQ(choose chapter or problem)
Problem 2CQQ
There are 100 questions from an SAT test, and they are all multiple choice with possible answers of a, b, c, d, e. For each question, only one answer is correct. Find the mean number of correct answers for those who make random guesses for all 100 questions.
Questions & Answers
QUESTION:
Problem 2CQQ
There are 100 questions from an SAT test, and they are all multiple choice with possible answers of a, b, c, d, e. For each question, only one answer is correct. Find the mean number of correct answers for those who make random guesses for all 100 questions.
ANSWER:Answer :
Step 1 of 1
We know that
There are 100 questions from an SAT test, and they are all multiple choice with possible answers of a, b, c, d, e. For each question, only one answer is correct.
So, n = 100