Middle School

Welcome to the article A store has 30 blue pens 18 black pens and 12 red pens in stock You buy 3 blue pens 9 black pens and 3. On this page, you will learn the essential and logical steps to better understand the topic being discussed. We hope the information provided helps you gain valuable insights and is easy to follow. Let’s begin the discussion!

A store has 30 blue pens, 18 black pens, and 12 red pens in stock. You buy 3 blue pens, 9 black pens, and 3 red pens. Find the probability of each event before and after your purchase.

A. Randomly choosing a blue pen
B. Randomly choosing a black pen
C. Randomly choosing a red pen