A student answers all 48 questions on a multiple-choice test by guessing. Each question has four possible answers, only one of which is correct. Find the probability that the student gets exactly 15 correct answers.
Use the normal distribution to approximate the binomial distribution. A) 0.0823 B) 0.8577 C) 0.7967 D) 0.0606
Question 2
Find the critical value F0 for a right-tailed test using = 0.01, degrees of freedom in the numerator = 3, and degrees of freedom in the denominator = 20.
A) 4.94 B) 25.58 C) 5.82 D) 3.09