Binomial Conditions
A binomial distribution B(n, p) requires: (1) a fixed number n of trials, (2) each trial has two mutually exclusive outcomes (success/failure), (3) the probability of success p is constant for all trials, (4) trials are independent.
Real World
Rolling a fair die 10 times and counting sixes satisfies all binomial conditions — fixed trials, constant p = 1/6, independent rolls, and a clear success/failure outcome each time.
Exam Focus
In 'comment on suitability' questions, check all four conditions explicitly and identify which (if any) is violated.
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