Suppose that past history shows that 60% of college students prefer Coca-Cola. A sample of 10 students is to be selected. Which of the following distributions would you use to figure out the
Probability that at least half of them will prefer Coca-Cola?
A) Binomial distribution.
B) Poisson distribution.
C) Normal distribution.
D) Hypergeometric distribution.

Question

Quizplus · Accepted Answer

The binomial distribution is appropriate here because we have a fixed number of independent trials (10 students), each with two possible outcomes (preferring Coca-Cola or not), and a constant probability of success (60%).

Suppose That Past History Shows That 60% of College Students