Probstat/notes/random variables
รุ่นแก้ไขเมื่อ 02:23, 18 กันยายน 2557 โดย Jittat (คุย | มีส่วนร่วม) (หน้าที่ถูกสร้างด้วย 'In many cases, after we perform a random experiment, we are interested in certain quantity from the outcome, not the actual outcome. I...')
In many cases, after we perform a random experiment, we are interested in certain quantity from the outcome, not the actual outcome. In that case, we can define a random variable, which is a function from the sample space to real numbers, to represent the random quantity that we are interested in.
