1) Design a simulation that can be used to estimate the probability that a student will get 2 answers correct when guessing the answers to 3 true-false questions.

2)On average, 9% of the packages delivered by a shipping company are late. Use the random digits below as a simulation tool to estimate the probability that a customer can receive at least 4 packages without any being late. Each row represents one trial.

63 13 02 41
51 44 40 60
25 63 84 11
71 81 32 79
72 39 13 75
10 85 99 93
59 70 00 68
51 64 94 08
91 71 39 95
70 27 23 61