1) Independent Events, 2) Probability Combinations (n-choose-r formula)

Question: Basic combinatorics
I just started learning combinatorics. Those aren't really hard but I still have some trouble.
There are 3 different cities: A, B, C. There are 6 ways from A to B, and 4 ways from B to C. How many ways are there from A to C?
There are 6 different pears. John wants to buy 3 different pears. How many choices does he have?

------------------------

Answered By:

Paul Q.
Experienced in Math, Physics, Stat, Programming, & Meteorology

------------------------

------------------------

About: Wyzant Ask an Expert offers free answers to your toughest academic and professional questions from over 80,000 verified experts. It’s trusted by millions of students each month with the majority of questions receiving an answer within 1 hour of being asked. If you ever need more than just an answer, Wyzant also offers personalized 1-on-1 sessions with experts that will work with you to help you understand whatever you’re trying to learn.