Question

3) A drawer contains 10 blue pens, and 10 red pens. Without looking, Mrs.

Answer 1

The probability is 1/2 because he has an even amount of both colored pens so there are 50% blue and 50% red the odds are like flipping a coin in the air. There is a 50% chance that it will land on either heads or tails in other words 50/100 which is also 1/2 same thing applies with the pens.

Answer: 1/2