Sumários
Exercises from chapter two.
15 Outubro 2015, 15:30 • Agnieszka Bergel
ex with probability density fucntion, cumulative distribution function.
Continuous random variables: density and cumulative distribution functions. Distribution function technic.
15 Outubro 2015, 15:30 • Graça Leão Fernandes
Exercices from chapter 2 nºs 12 a), 13, 14, 18, 22
Distribution function technique. K dimensional random variables. Joint cumulative distribution function. Marginal cumulative distribution functions..
14 Outubro 2015, 15:30 • Graça Leão Fernandes
Distribution function technique - examples:
- X is a continuous random variable and Y is an increasing function of X and continuous;
- X is a continuous random variable and Y is a decreasing function of X and continuous ;
- X is a continuous random variable and Y is a mixed random variable;
- X is a continuous random variable and Y is a discrete random variable.
K dimensional random variables:
- definition;
- Two dimensional random variables:
- Joint cumulative distribution function;
- Computing probabilities of spaces in R2 using the Joint cumulative distribution function;
- Marginal cumulative distribution functions of X and Y - interpretation and computation.
Discrete random variables. Continuous random variables. Distribution function technique.
12 Outubro 2015, 13:30 • Graça Leão Fernandes
Discrete random variables:
- example of probability functions and CDF of a discrrete random variable when Dx is an infinite though countable set.
Continuous random variables:
- probaility density function:
- definition;
- interpretation;
- computation - probability of intervals in R.
Distribution function technique:
- the problem - Finding the cdf of random variable Y - function of X when the cdf of X is known;
- discrete to discrete random varibles - example;
- generalisation of the procedure.
Random variables. Cumulative distribution function. Classification of random variables. Discrete random variables.
8 Outubro 2015, 15:30 • Graça Leão Fernandes
Exercises from Chapter 2 nºs 1, 3, 8, 10b)
Exercises from the book (pg 72) nºs 3.1, 3.4, 3.11.
1st Mini test