ME-S1
The Binomial Distribution
Apply the binomial distribution to probability problems; find mean and variance; use normal approximation.
Sample questions
- 1.A biased coin has P(H) = 0.6. In 20 tosses, find P(exactly 12 heads) and E(heads).
Exam weighting
3–5 marks.
Common student mistakes
- ·Incorrect identification of p vs (1−p)
- ·Applying the normal approximation without continuity correction
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