a) A continuous random variable X which can assume between x = 2 and 8 inclusive has a density function given by c(x+3) where c is a constant. Compute P(X4)

b) A continuous random variable X which can assume between x = 2 and 8 inclusive has a density function given by c(x+3) where c is a constant. Compute P(3

c) A continuous random variable X which can assume between x = 2 and 8 inclusive has a density function given by c(x+3) where c is a constant. Calculate c