An archer is able to hit the bulls-eye 22% of the time. If she shoots 15 arrows, find the following probabilities. You can assume each shot is independent of the others. Round answers to the nearest thousandths place.

a. The archer shoots exactly 4bulls-eyes (SHOW the information substituted into the formula and then use the app on the calculator to solve) (3 pts)

b. The archer shoots at most 5bulls-eyes (use the calculator and be sure to state which application you are using) (3 pts)

c. The archer shoots at least 3 bulls-eye (use the calculator and be sure to state which application you are using) (3 pts)