The three sides of a triangle are n, 3n−7, and 3n−2. If the perimeter of the triangle is 54 inches, what is the length of each side?

Given a normal distribution with µ =50 and σ =4, what is the probability that 5% of the values are less than what x values? between what two x values (symmetrically distributed around the mean) are 95 % of the values? instructions: show all your work as to how you have reached your answer. don’t simply state the results. show graphs where necessary.