S 2 Chapter 4 Continuous Uniform Distribution Dr

S 2 Chapter 4: Continuous Uniform Distribution Dr J Frost (jfrost@tiffin. kingston. sch. uk) www. drfrostmaths. com Last modified: 30 th August 2015

RECAP: Discrete Uniform Distribution These are all based on the parameters we set. Description Each discrete outcome is equally likely to happen. Params ? Outcomes ? Prob Func ? ? ?

Continuous Uniform Distribution ?

Examples ? ? ?

Test Your Understanding S 2 Edexcel Jan 2013 ? ?

Clearly by inspection/symmetry… ? (e. g. if I think of a number randomly between 2 and 6, the mean number will be 4!) ? Click for Proof I remember as “a twelfth of the squared width”

Quickfire (in your head) ? ? ? ?

! ? It’s just the width of the rectangle times the height. However, you are expected to know (it was once an exam question!) how also to do it by integration, as you did in the previous chapter: ?

Test Your Understanding 1 ? ? ? 2 ?

Q 1 Past paper questions on provided sheet. ?

Q 2 ?

Q 3 ?

Q 4 ?

Q 5 ?

Q 6 ?

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