Course content

92 lessons

5.1 · Representation of data

0/12

5.1 · Measures of central tendency

0/12

5.1 · Measures of variation

0/15

5.3 · Probability

0/15

5.2 · Permutations and combinations

0/12

5.4 · Probability distributions

0/8

5.4 · The binomial and geometric distributions

0/11

Binomial probabilities: at most and at least

12m

Expectation and variance of the binomial distribution

12m

The geometric distribution

12m

Geometric probabilities over a range of values

12m

Expectation of the geometric distribution

11m

Choosing a binomial or geometric model

12m

The binomial and geometric distributions: practice

12m

The binomial and geometric distributions: exam practice

15m

The binomial and geometric distributions: summary

5.5 · The normal distribution

0/7

5.4 · The binomial and geometric distributionsLesson 2 of 11Free preview

Calculating binomial probabilities

P(X = r) = nCr × p^r × (1 − p)^(n − r): nCr counts the orders, the powers give the chance of one order.