1 . You are designing chairs for department store Santas to sit in. You wish to make them wide enough so that 98.25% of all Santas will fit in them. Because of the size of the Santa suit the hip widths are normally distributed with a mean of 22 inches and a standard deviation of 1.5 inches. How wide should the seats be made so that 98.25% of all the department store Santas could fit in them?

2 . There are 50 socks in a drawer, 25 are red and 25 are green. What is the minimum number of socks you must draw out of the drawer in a pitch black room to guarantee you will have a matching pair of socks when you turn on the light?

3 . What is the mean and standard deviation of a standard normal distribution?

Mean = _____________

Standard deviation = _______________