3. Mr. Barnett's test is normally distributed with a mean of 65 and a standard
deviation of 5 points.
Part A: What is the probability that a randomly selected score is greater
than 75 points?
Part B: What percentage of students scores are between 60 and 70?
percentile.
Actudent who scores a 80 is in the

Option a has a binomial distribution because the variable X has two sample space. n is the number of times the coin was tossed, which is 5 and p is the chance of success which is 0.5

option b does not have a binomial distribution because there are more than two sample space for the variable X.