A regular, i.e., six-faced and balanced, die will be rolled twice. Let the random variable X be equal to the result of subtracting the number obtained on the second roll from the number obtained on the first roll. Find P open parentheses X less or equal than 3 close parentheses .

Theexpectedvalue ofX = Ʃ(X.P(X)) = 0What is statistics and its types?Statisticsis a method of interpreting, analysing and summarising the data.Descriptiveandinferential statistics.X P(X) X.P(X)Total 1 0X = Ʃ(X.P(X)) = 0statisticsbrainly.in/question/15283946#SPJ4The complete question is –