Mary's assets include a tablet computer worth $350; $1000 in savings; a car worth $4500; and $300 cash. Her
liabilities include a $1600 tuition bill for one semester;
$500 for textbooks paid for with a credit card; a $70 cell
phone bill; and $25 she borrowed from a friend. What is
her current net worth? Is it positive or negative?

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.