Question

question 1 of 10
let event ( a = ) the place is a city.
let event ( b = ) the place is in north america.
which outcomes are in ( a ) or ( b )?

Explanation:

Step1: Understand event A and B

Event A: place is a city (Tokyo, Houston, New York, Tijuana). Event B: place is in North America (Houston, New York, Tijuana, Canada).

Step2: Find A or B

A or B means all elements in A plus elements in B not in A. So combine them: Tokyo (A), Houston (A and B), New York (A and B), Tijuana (A and B), Canada (B).

Answer:

Tokyo, Houston, New York, Tijuana, Canada