A student is standing 20 feet away from the base of a tree he looked to the top of the tree at a 50degree angle of elevation his eyes are 5 feet above the ground using cos 50degree and 0.64 what is the height of the tree to the nearest foot?

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.