An online computer retailer sells both desktop and laptop computers. Assume that 8% of the computers that the online retailer sells are desktops.
a. What is the probability that none of the next 40 online purchases are desktops?
b. What is the probability that less than 4 of the next 40 online purchases are desktops?
c. What is the probability that more than 6 of the next 40 online purchases are desktops
d. What is the probability that less than 32 of the next 40 online purchases are laptops.