Suppose that in a school with

total students, there are

students who have the flu. Administrators take an of

students to test for the flu. Let

the number of students in the sample who test positive for the flu.
Is

a binomial variable? Why or why not?
Choose 1 answer:
Choose 1 answer:
(Choice A) Each trial isn't being classified as a success or failure, so

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

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

is not a binomial variable.
B
There is no fixed number of trials, so

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

is not a binomial variable.
C
The trials are not independent, so

is not a binomial variable.
(Choice D) This situation satisfies each of the conditions for a binomial variable, so

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

has a binomial distribution.
[What does "SRS" mean again?]