Question

which of the following is not a requirement of the binomial probability distribution?
choose the correct answer below.
a. the procedure has a fixed number of trials.
b. the trials must be dependent.
c. each trial must have all outcomes classified into two categories.
d. the probability of a success remains the same in all trials.

Explanation:

Binomial probability distribution has the following requirements:

• A fixed number of trials (Option A).
• Each trial has two possible outcomes (Option C).
• The probability of success remains the same for each trial (Option D).
• The trials are independent (not dependent as in Option B).

Answer:

B. The trials must be dependent.