A class quiz has 5 True/False questions. The correct answers are T, T, E, F, and T, in that order. John answered the questions randomly and is now wondering if he will pass the quiz. He needs to have at least 3 correct answers. John
used a calculator to generate random numbers from 1 to 100. He let odd numbers stand for True and even numbers
stand for False. He recorded the results in the table. What is the experimental probability that John passed the quiz?
Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Trial 6 Trial 7 Trial 8
Random 22, 33, 11, 3, 72, 28, 36, 43, 27, 56, 41, 12, 34, 20, 11, 7,50, 17, 44, 76,2, 93, 53,
Numbers 18, 45, 80 98,67
85, 71 90, 55 59, 31 28,82 39,20 38, 29
Result Fail Pass Fail Pass Fail Pass Fail Pass
Experimental nrnhahility