Question: You are given a 16-question multiple-choice test. Each question has 5 responses and only one is correct. Suppose that you just randomly guess on each

You are given a 16-question multiple-choice test. Each question has 5 responses and only one is correct. Suppose that you just randomly guess on each question.

1. Find the probability that you answer exactly 5 questions correctly.

2. How many questions do you get right on average?

3. What is the probability that you will get at least two questions right?

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