Question

Continuous random variable X has density given by f(x)=c⋅(x+1)*(x−3) if x∈[−1,3] and 0 otherwise. 1) Find DF(2;X) . distribution function 2) Find E[X] . C= -3/32

Answer 1

so we know that \[x^2-2x-3\]

Answer 2

here are some note for those people who wonder that df is
note much that what i got

Answer 3

nice notes, can you provide a picture of the question as well? it may help decipher it a bit.

Answer 4

ok here the question but not the