Consider two independent random variables $\text{X}$ and $\text{Y}$ having probability density functions uniform in the interval $[0,1]$. The probability that $\text{X + Y}>1.5$ is
- $1 / 4$
- $1 / 8$
- $1 / 3$
- $\operatorname{Pr}\{\text{X + Y} <0.25\}$
- None of the above