please help now it's a timed test.

Question 1 1 pts A class consists of 50 psychology majors, 25 criminal justice majors, and 25 nursing majors. If one student is randomly selected from the class, what is the probability that the student is a Psychology major p(Psychology major)? 50 0.10 0.75 O 25 Question 2 1 pts A vertical line drawn through a normal distribution at z = +1.64 separates the distribution into two sections, the body and the tail. What proportion of the distribution is in the tail? 45 0.90 .05 95 Question 3 1 pts [example continued...] A vertical line drawn through a normal distribution at z = +1.64 separates the distribution into two sections, the body and the tail. What proportion of the distribution is in the body? O 0.95 0.05 O 0.45 0.90 Question 4 1 pts Assume a normal distribution. What is plz > +.80)? 5881 2881 2119 0 7881 Question 5 1 pts Assume a normal distribution. What is plz