step by step solutions

3. Let's say we had 10 students do a truelfalse quiz with 5 questions on it. There's a 50% chance of getting each answer correct. Every student completes the 5 questions, we grade them, and then we nd their performance (mean percent correct). What we want to know is whether the students were guessing (50% chance of correctness) . Let's look at the tattle: students scores 1 50 2 Y0 3 60 4 40 5 80 6 30 7 90 8 60 9 70 10 60 Stating your null and alternative hypothesis and test it at 5% level of significance