Author Question: The binomial distribution is _________ symmetrical. a. always symmetrical b. sometimes ... (Read 77 times)

hubes95 · **on:** Jun 19, 2018

The binomial distribution is _________ symmetrical.

a. always symmetrical
b. sometimes symmetrical, depending on the values of P and Q
c. always symmetrical if N is over 30
d. b and c

Question 2

In a situation where there are only two possible events, A and B, on each trial, if P = Q on each trial

a. A and B are necessarily independent
b. A and B are necessarily dependent
c. p(A) must be greater than p(B)
d. A and B must be mutually exclusive
e. A and B are necessarily independent and must be mutually exclusive