# Grade 9: What are the odds of rolling a 5 on a die?

## Question

Here is the question : GRADE 9: WHAT ARE THE ODDS OF ROLLING A 5 ON A DIE?

## Option

Here is the option for the question :

• 8.5%
• 17%
• 30%
• 45.55%

And, the answer for the the question is :

17%

## Explanation:

In ninth-grade algebra, experimental (or empirical) probability is covered.

In Grade 9 mathematics, students explore the concept of probability, which is the likelihood of an event occurring. Probability plays a crucial role in various fields, including statistics, game theory, and decision-making. One common application of probability is in determining the odds of a specific outcome in a random experiment. Let’s examine an example involving the odds of rolling a 5 on a die. By understanding the basic principles of probability and calculating the odds, we find that the odds of rolling a 5 on a fair six-sided die are 17%.

To understand the odds of rolling a 5 on a die, we need to consider the total number of equally likely outcomes and the number of favorable outcomes. In the case of a fair six-sided die, there are six possible outcomes: 1, 2, 3, 4, 5, and 6. Since we are interested in the outcome of rolling a 5, there is only one favorable outcome.

To determine the odds, we calculate the ratio of the number of favorable outcomes to the number of total outcomes. In this case, the odds of rolling a 5 can be expressed as 1:6 or 1/6. To convert this ratio to a percentage, we multiply it by 100.

Calculating the odds: (1/6) × 100 = 16.67%.

Hence, the odds of rolling a 5 on a fair six-sided die are approximately 16.67%.

Understanding probability and odds is essential as it allows us to make informed predictions and decisions based on the likelihood of different outcomes. Grade 9 students who develop a solid understanding of probability lay the foundation for more advanced concepts such as conditional probability, expected value, and combinatorics.

Probability is encountered in various real-life scenarios. It is used in fields such as gambling, insurance, sports, and finance to analyze risks, estimate outcomes, and make informed choices. By mastering the concept of probability, students develop the ability to interpret and evaluate uncertain situations, assess the validity of claims based on evidence, and make logical decisions.

Furthermore, understanding probability enhances students’ critical thinking and problem-solving skills. It enables them to analyze data, identify patterns, and draw conclusions based on statistical evidence. By studying probability, students also gain an appreciation for the role of uncertainty and randomness in our lives and the importance of making rational decisions in the face of uncertainty.

students will encounter more complex probability problems involving combinations, permutations, and conditional probabilities as they progress in their mathematical education. These advanced concepts further expand students’ mathematical toolkit and equip them with valuable analytical skills for a wide range of applications.

in Grade 9 mathematics, understanding probability and calculating odds are fundamental skills. By considering the number of favorable outcomes and the total number of outcomes, we can determine the odds of a specific event occurring. In the case of rolling a 5 on a fair six-sided die, the odds are approximately 16.67%. Mastering the concepts of probability and odds not only improves mathematical proficiency but also enhances students’ critical thinking abilities and decision-making skills, enabling them to navigate probabilistic situations with confidence.

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