Same chapter3 marksDifficulty: Medium
Define conditional probability and state the multiplication theorem.
Probability
3 marksDifficulty: Medium
For a binomial distribution with n = 10 and p = 0.4, find the mean and the variance.
Original Khojo Papers practice question — not from a past board paper.
Answer
Mean 4 and variance 2.4
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
The mean is np = 4 and the variance is npq = 10 × 0.4 × 0.6 = 2.4.
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