1.Two out of ten members of a school board feel that all high school students should be required to take a course in coding. A pollster selects three members of the board at random and asks them for their opinion on requiring a coding course. What is the probability that at least one of the members polled favors requiring the course?

Let E="all of those selected are members that do not favor requiring a course in coding." Find the probability of the event E.

2.A law firm has eight senior and seven junior partners. A committee of three partners is selected at random to represent the firm at a conference. What is the probability that at least one of the junior partners is on the committee?

The probability that at least one junior partner is on the committee is _____

3.A factory produces fuses, which are packaged in boxes of 16.Three fuses are selected at random from each box for inspection. The box is rejected if at least one of these three fuses is defective. What is the probability that a box containing eight defective fuses will be rejected?

The probability that the box containing eight defective fuses will be rejected is___