In the diagram below, given that XY = 3cm, x2Y = 30°and YZ = x, is it possible to solve for x using the theorem of Pythagoras? Motivate your
A
answer,
3 cm
30°
Z
Y​

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.