SECTION 13- STATISTICAL DISTRIBUTION

Question 1

what is meant by the term ‘discrete random variable’

Answer 1

• they have a certain number of possible values, which are usually whole numbers e.g. possible scores w/ one roll of a dice

Question 2

binomial distribution formula

Answer 2

P( X)= nCr pr (1-p)ⁿ⁻ʳ

Question 3

what does it mean when the final number is higher than the significance level

Answer 3

• we accept H1, as there isn’t sufficient enough evidence

Question 4

what does it mean when the final number is lower than the significance level

Answer 4

• we reject H1, as there’s enough evidence