Which event has a probability of one?

A. Choosing a letter from the alphabet that is a vowel

B, Choosing a number that is greater than one and is even

C. Choosing a set of parallel lines on a polygon

D. Choosing a square that is also a rectangle

Respuesta :

As you know Probability = 0, means impossibility, and Probability =1 is a certainty, hence choosing a square that is also a rectangle, knowing that ALL SQUARES ARE RECTANGLES, has a probability of 100% that means 1