I have an exercice in statistics, but I absolutely don't know how to answer the question. Could you please guys help?

MOMENTS

Calculate the means, variances, covariance and correlation coefficient for the following bivariate distribution (it is supposed to be a table).

Y=0 Y=1 Y=2

X=0 0 0.1 0.1

X=1 0.3 0.3 0.2

Thanks a million!!

What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice