If a tree diagram is drawn for a binomial experiment having 4 trails, how many branches will it have?
a. 2
b. 4
c. 8
d. 16
Question 2
Given 180 observations, a data class with an absolute class frequency of 36 must have a relative class frequency of:
a. .10
b. .20
c. .36
d. .18
e. none of these