7 A U S History professor has a test bank of questions for a
7. A U. S. History professor has a test bank of questions for a quiz on the United States presidency. The test bank has seven true-false questions, three discussion questions, and ten multiple choice questions. The computer randomly selects ten questions. Let the random variable X be the number of discussion questions. List the possible values of X.
Solution
X number of discussion question
0 discuss question out of 10 question that the computer randomly select
1 discuss question out of 10 question that the computer randomly select
2 discuss question out of 10 question that the computer randomly select
3 discuss question out of 10 question that the computer randomly select
