What is not a description of slope? A. rise over run
B. the rate of change of a line
C. change in yover the change in x
D. the ratio of horizontal change compared to vertical change

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.