9709/52 · Oct/Nov 2024

Two-way table: conditional probability, independence and a binomial probability.

Arrangements of letters with a restriction on a gap.

Probability distribution of a coin-and-dice variable and its variance.

Normal distribution: expected count below a value and a standard deviation from a tail.

Selecting groups of students with restrictions.

Back-to-back stem-and-leaf, median and IQR, and combined mean and standard deviation.

Geometric distribution and the normal approximation to a binomial.