(1 point) You are at a sandwich shop that offers six types of sandwiches (Italian, turkey, chicken salad, Rueben, ham, and vegetarian) with five different bread options (whole wheat bun, multi-grain bun, flatbread, corn tortilla, and lettuce wrap). (a) How many different sandwich combinations can be made by choosing one of the types and one of the bread styles? (b) Suppose you expect only 80% of these combinations to taste good. How many tasty options would you have then? There is a class of 55 students and they are all in class today. 16 of them are contagious with BITS, and 20 are healthy. (c) How many ways can the BITS disease be spread from a contagious person to a healthy person today? (d) If the transmission rate of BITS is 5%, how many students do you expect will be newly infected by tomorrow?