Statistics- Given that Z is a standard normal random variable

QUESTION

Given that Z is a standard normal random variable, P(-1.0 < Z < 1.5) is A.0.8413 B.0.9332 C.0.7745 D.0.0919Reset SelectionPart 7 of 16 -Question 14 of 231.0 PointsThe variance of a binomial distribution for which n = 100 and p = 0.20 is: A.80 B.20 C.16 D.100Reset SelectionPart 8 of 16 -Question 15 of 231.0 PointsThe number of ways to choose two representatives from a committee of 13 people is A.156 B.13! C.78 D.55   ANSWER: REQUEST HELP FROM A TUTOR