In a box, there are 30 pens. Some of these pens have ink, while others do not. If 18 of the pens in the box have ink, what is the probability of randomly selecting a pen with ink from the box?

Question

09-10-2023
Computers and Technology

High School

Welcome to the article In a box there are 30 pens Some of these pens have ink while others do not If 18 of the pens in the box. 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!

In a box, there are 30 pens. Some of these pens have ink, while others do not. If 18 of the pens in the box have ink, what is the probability of randomly selecting a pen with ink from the box?

Answer :

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vaibhavishinde98se vaibhavishinde98se · Answer 1 · 2024-02-25T16:09:16-05:00

Final answer:

The probability of randomly selecting a pen with ink from a box of 30 pens, 18 of which have ink, is 3/5. This is calculated by dividing the number of successful outcomes by the total number of outcomes.

Explanation:

The subject of this question is probability, a topic in mathematics. Here you are trying to find the probability of selecting a pen with ink from a box that contains 30 pens, of which 18 have ink.

To calculate probability, you divide the number of successful outcomes (in this case, drawing a pen with ink) by the total number of outcomes (the total number of pens). So, in this case:

Probability of selecting a pen with ink = number of ink pens / total number of pens

= 18/30.

The answer can be simplified by dividing both numbers by the highest common factor, which is 6. This gives:

= 3/5.

So, the probability of randomly selecting a pen with ink from the box is 3/5.

This method of calculating probability is applicable in many different scenarios, such as in the example of drawing marbles from a bag or drawing a particular color from a set of colored objects.

Learn more about Probability here:

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