Alicia made two types of brownies. She used 4/8 cup of sugar for one recipe and 1/4 cup of sugar for the other. How much sugar did she use in all?

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.