Math Problem Statement
A die is rolled once. Find the probabilities of the given events. Leave your answer as a reduced fraction. The number rolled is a 2.
The number showing is an even number.
The number showing is greater than 4.
Solution
Let's analyze each event in terms of the probability of a die roll. A standard die has 6 faces, numbered 1 to 6.
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The number rolled is a 2:
- Only one outcome (rolling a 2) satisfies this event, and there are 6 possible outcomes in total.
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The number showing is an even number:
- The even numbers on a die are 2, 4, and 6. There are 3 favorable outcomes.
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The number showing is greater than 4:
- The numbers greater than 4 on a die are 5 and 6. There are 2 favorable outcomes.
So, the probabilities are:
- for rolling a 2.
- for rolling an even number.
- for rolling a number greater than 4.
Would you like more details on any of these steps?
Here are 5 follow-up questions to consider:
- What is the probability of rolling an odd number?
- What is the probability of rolling a number less than 3?
- What is the probability of rolling either a 1 or a 6?
- If the die is rolled twice, what is the probability of rolling two even numbers?
- What is the probability of rolling a number that is either less than 3 or greater than 4?
Tip: Probabilities for simple events are calculated by dividing favorable outcomes by total possible outcomes.
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Math Problem Analysis
Mathematical Concepts
Probability
Sample Space
Event Outcomes
Formulas
P(Event) = Favorable Outcomes / Total Outcomes
Theorems
Basic Probability Theorem
Suitable Grade Level
Grades 5-7
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