not sure how to complete these two questions?

[15 points] a. Consider an investment scenario where you will be choosing a portfolio of three stocks from a collection of five semiconductor stocks, four transportation stocks, two pharmaceutical stocks and two retail stocks. If the three stocks are chosen at random, what is the probability that the portfolio will be financially diverse? The investment portfolio will be considered financially diverse if it has at least two different industries represented in the portfolio [don't try manually. use excel builtin b. Many online portals now use 2-Factor Authentication. After you login with your username and password, a code is sent to your phone and you have to enter this code. Assume this code is six digits long. What is the likelihood that this code will consist of at least one repeated digit? (zero is a valid digit, meaning an authentication code could consist of all zeroes. Here are examples of authentication codes with repeated digits 000000,154443,112339,556688 ). [15 points] a. Consider an investment scenario where you will be choosing a portfolio of three stocks from a collection of five semiconductor stocks, four transportation stocks, two pharmaceutical stocks and two retail stocks. If the three stocks are chosen at random, what is the probability that the portfolio will be financially diverse? The investment portfolio will be considered financially diverse if it has at least two different industries represented in the portfolio [don't try manually. use excel builtin b. Many online portals now use 2-Factor Authentication. After you login with your username and password, a code is sent to your phone and you have to enter this code. Assume this code is six digits long. What is the likelihood that this code will consist of at least one repeated digit? (zero is a valid digit, meaning an authentication code could consist of all zeroes. Here are examples of authentication codes with repeated digits 000000,154443,112339,556688 )