A division of a company has over 200200200 employees, 48\%48%48, percent of which are male. The company is going to randomly select 101010 of these employees to attend a conference. Let Z=Z=Z, equals the number of male employees chosen.
Is ZZZ a binomial variable? Why or why not?
Choose 1 answer:
Choose 1 answer:

(Choice A)
A
Each trial isn't being classified as a success or failure, so ZZZ is not a binomial variable.

(Choice B)
B
There is no fixed number of trials, so ZZZ is not a binomial variable.

(Choice C)
C
The trials are not independent, so ZZZ is not a binomial variable.

(Choice D)
D
This situation satisfies each of the conditions for a binomial variable, so ZZZ has a binomial distribution.