7.7 Let X1 and X2 be independent random variables having the uniform density with ?=0 and ?=1. Referring to Figure 7.2, find expressions for the distribution function of Y=X1+X2 for (a) y ? 0; (b) 0 Solution Please provide a figure because it would be very helpful. If the site\'s image uploader is not worling upload it to imgur.com or any image uploader site then provide us the link here..